p PatchFirst

PatchFirst · Aktuelle Sicherheitslücken

Sicherheitslücken in linux · Seite 173

In den letzten 30 Tagen veröffentlichte Sicherheitslücken für linux: 252. Davon im KEV-Katalog: 0.

RSS ↗ JSON ↗
Sicherheitslücken filtern
Filter zurücksetzen

Sicherheitslücken: 4217

  1. CVE-2023-52588

    Hoch · CVSS 7.3EPSS 0,26%Keine Korrektur veröffentlicht

    f2fs: fix to tag gcing flag on page during block migration

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to tag gcing flag on page during block migration It needs to add missing gcing flag on page during block migration, in order to garantee migrated data be persisted during checkpoint, otherwise out-of-order persistency between data and node may cause data corruption after SPOR. Similar issue was fixed by commit 2d1fe8a86bf5 ("f2fs: fix to tag gcing flag on page during file defragment").

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  2. CVE-2021-47103

    Kritisch · CVSS 9.8EPSS 0,95%Keine Korrektur veröffentlicht

    inet: fully convert sk->sk_rx_dst to RCU rules

    In the Linux kernel, the following vulnerability has been resolved: inet: fully convert sk->sk_rx_dst to RCU rules syzbot reported various issues around early demux, one being included in this changelog [1] sk->sk_rx_dst is using RCU protection without clearly documenting it. And following sequences in tcp_v4_do_rcv()/tcp_v6_do_rcv() are not following standard RCU rules. [a] dst_release(dst); [b] sk->sk_rx_dst = NULL; They look wrong because a delete operation of RCU protected pointer is supposed to clear the pointer before the call_rcu()/synchronize_rcu() guarding actual memory freeing. In some cases indeed, dst could be freed b

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  3. CVE-2021-47086

    Mittel · CVSS 5.5EPSS 0,23%Keine Korrektur veröffentlicht

    phonet/pep: refuse to enable an unbound pipe

    In the Linux kernel, the following vulnerability has been resolved: phonet/pep: refuse to enable an unbound pipe This ioctl() implicitly assumed that the socket was already bound to a valid local socket name, i.e. Phonet object. If the socket was not bound, two separate problems would occur: 1) We'd send an pipe enablement request with an invalid source object. 2) Later socket calls could BUG on the socket unexpectedly being connected yet not bound to a valid object.

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  4. CVE-2024-26622

    Hoch · CVSS 7.8EPSS 0,24%Keine Korrektur veröffentlicht

    tomoyo: fix UAF write bug in tomoyo_write_control()

    In the Linux kernel, the following vulnerability has been resolved: tomoyo: fix UAF write bug in tomoyo_write_control() Since tomoyo_write_control() updates head->write_buf when write() of long lines is requested, we need to fetch head->write_buf after head->io_sem is held. Otherwise, concurrent write() requests can cause use-after-free-write and double-free problems.

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  5. CVE-2023-52578

    Hoch · CVSS 7EPSS 0,19%Keine Korrektur veröffentlicht

    net: bridge: use DEV_STATS_INC()

    In the Linux kernel, the following vulnerability has been resolved: net: bridge: use DEV_STATS_INC() syzbot/KCSAN reported data-races in br_handle_frame_finish() [1] This function can run from multiple cpus without mutual exclusion. Adopt SMP safe DEV_STATS_INC() to update dev->stats fields. Handles updates to dev->stats.tx_dropped while we are at it. [1] BUG: KCSAN: data-race in br_handle_frame_finish / br_handle_frame_finish read-write to 0xffff8881374b2178 of 8 bytes by interrupt on cpu 1: br_handle_frame_finish+0xd4f/0xef0 net/bridge/br_input.c:189 br_nf_hook_thresh+0x1ed/0x220 br_nf_pre_routing_finish_ipv6+0x50f/0x540 NF_HOOK inclu

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  6. CVE-2023-52574

    Hoch · CVSS 7.8EPSS 0,25%Keine Korrektur veröffentlicht

    team: fix null-ptr-deref when team device type is changed

    In the Linux kernel, the following vulnerability has been resolved: team: fix null-ptr-deref when team device type is changed Get a null-ptr-deref bug as follows with reproducer [1]. BUG: kernel NULL pointer dereference, address: 0000000000000228 ... RIP: 0010:vlan_dev_hard_header+0x35/0x140 [8021q] ... Call Trace: <TASK> ? __die+0x24/0x70 ? page_fault_oops+0x82/0x150 ? exc_page_fault+0x69/0x150 ? asm_exc_page_fault+0x26/0x30 ? vlan_dev_hard_header+0x35/0x140 [8021q] ? vlan_dev_hard_header+0x8e/0x140 [8021q] neigh_connected_output+0xb2/0x100 ip6_finish_output2+0x1cb/0x520 ? nf_hook_slow+0x43/0xc0 ? ip6_mtu+0x46/0x80 ip6_finish_

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  7. CVE-2023-52572

    Hoch · CVSS 7.8EPSS 0,23%Keine Korrektur veröffentlicht

    cifs: Fix UAF in cifs_demultiplex_thread()

    In the Linux kernel, the following vulnerability has been resolved: cifs: Fix UAF in cifs_demultiplex_thread() There is a UAF when xfstests on cifs: BUG: KASAN: use-after-free in smb2_is_network_name_deleted+0x27/0x160 Read of size 4 at addr ffff88810103fc08 by task cifsd/923 CPU: 1 PID: 923 Comm: cifsd Not tainted 6.1.0-rc4+ #45 ... Call Trace: <TASK> dump_stack_lvl+0x34/0x44 print_report+0x171/0x472 kasan_report+0xad/0x130 kasan_check_range+0x145/0x1a0 smb2_is_network_name_deleted+0x27/0x160 cifs_demultiplex_thread.cold+0x172/0x5a4 kthread+0x165/0x1a0 ret_from_fork+0x1f/0x30 </TASK> Allocated b

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  8. CVE-2023-52566

    Mittel · CVSS 5.5EPSS 0,24%Keine Korrektur veröffentlicht

    nilfs2: fix potential use after free in nilfs_gccache_submit_read_data()

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential use after free in nilfs_gccache_submit_read_data() In nilfs_gccache_submit_read_data(), brelse(bh) is called to drop the reference count of bh when the call to nilfs_dat_translate() fails. If the reference count hits 0 and its owner page gets unlocked, bh may be freed. However, bh->b_page is dereferenced to put the page after that, which may result in a use-after-free bug. This patch moves the release operation after unlocking and putting the page. NOTE: The function in question is only called in GC, and in combination with current userland tools,

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  9. CVE-2023-52531

    Hoch · CVSS 7.8EPSS 0,24%Keine Korrektur veröffentlicht

    wifi: iwlwifi: mvm: Fix a memory corruption issue

    In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: Fix a memory corruption issue A few lines above, space is kzalloc()'ed for: sizeof(struct iwl_nvm_data) + sizeof(struct ieee80211_channel) + sizeof(struct ieee80211_rate) 'mvm->nvm_data' is a 'struct iwl_nvm_data', so it is fine. At the end of this structure, there is the 'channels' flex array. Each element is of type 'struct ieee80211_channel'. So only 1 element is allocated in this array. When doing: mvm->nvm_data->bands[0].channels = mvm->nvm_data->channels; We point at the first element of the 'channels' flex array. So this is fine. However,

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  10. CVE-2023-52528

    Mittel · CVSS 5.5EPSS 0,24%Keine Korrektur veröffentlicht

    net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg

    In the Linux kernel, the following vulnerability has been resolved: net: usb: smsc75xx: Fix uninit-value access in __smsc75xx_read_reg syzbot reported the following uninit-value access issue: ===================================================== BUG: KMSAN: uninit-value in smsc75xx_wait_ready drivers/net/usb/smsc75xx.c:975 [inline] BUG: KMSAN: uninit-value in smsc75xx_bind+0x5c9/0x11e0 drivers/net/usb/smsc75xx.c:1482 CPU: 0 PID: 8696 Comm: kworker/0:3 Not tainted 5.8.0-rc5-syzkaller #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 Workqueue: usb_hub_wq hub_event Call Trace: __dump_stack lib/dump

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  11. CVE-2023-52527

    Mittel · CVSS 5.5EPSS 0,24%Keine Korrektur veröffentlicht

    ipv4, ipv6: Fix handling of transhdrlen in __ip{,6}_append_data()

    In the Linux kernel, the following vulnerability has been resolved: ipv4, ipv6: Fix handling of transhdrlen in __ip{,6}_append_data() Including the transhdrlen in length is a problem when the packet is partially filled (e.g. something like send(MSG_MORE) happened previously) when appending to an IPv4 or IPv6 packet as we don't want to repeat the transport header or account for it twice. This can happen under some circumstances, such as splicing into an L2TP socket. The symptom observed is a warning in __ip6_append_data(): WARNING: CPU: 1 PID: 5042 at net/ipv6/ip6_output.c:1800 __ip6_append_data.isra.0+0x1be8/0x47f0 net/ipv6/ip6_outpu

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  12. CVE-2023-52522

    Hoch · CVSS 8.8EPSS 0,34%Keine Korrektur veröffentlicht

    net: fix possible store tearing in neigh_periodic_work()

    In the Linux kernel, the following vulnerability has been resolved: net: fix possible store tearing in neigh_periodic_work() While looking at a related syzbot report involving neigh_periodic_work(), I found that I forgot to add an annotation when deleting an RCU protected item from a list. Readers use rcu_deference(*np), we need to use either rcu_assign_pointer() or WRITE_ONCE() on writer side to prevent store tearing. I use rcu_assign_pointer() to have lockdep support, this was the choice made in neigh_flush_dev().

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  13. CVE-2023-52515

    Kritisch · CVSS 9.8EPSS 0,61%Keine Korrektur veröffentlicht

    RDMA/srp: Do not call scsi_done() from srp_abort()

    In the Linux kernel, the following vulnerability has been resolved: RDMA/srp: Do not call scsi_done() from srp_abort() After scmd_eh_abort_handler() has called the SCSI LLD eh_abort_handler callback, it performs one of the following actions: * Call scsi_queue_insert(). * Call scsi_finish_command(). * Call scsi_eh_scmd_add(). Hence, SCSI abort handlers must not call scsi_done(). Otherwise all the above actions would trigger a use-after-free. Hence remove the scsi_done() call from srp_abort(). Keep the srp_free_req() call before returning SUCCESS because we may not see the command again if SUCCESS is returned.

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  14. CVE-2023-52507

    Hoch · CVSS 7.1EPSS 0,24%Keine Korrektur veröffentlicht

    nfc: nci: assert requested protocol is valid

    In the Linux kernel, the following vulnerability has been resolved: nfc: nci: assert requested protocol is valid The protocol is used in a bit mask to determine if the protocol is supported. Assert the provided protocol is less than the maximum defined so it doesn't potentially perform a shift-out-of-bounds and provide a clearer error for undefined protocols vs unsupported ones.

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  15. CVE-2023-52502

    Hoch · CVSS 8.8EPSS 0,25%Keine Korrektur veröffentlicht

    net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn()

    In the Linux kernel, the following vulnerability has been resolved: net: nfc: fix races in nfc_llcp_sock_get() and nfc_llcp_sock_get_sn() Sili Luo reported a race in nfc_llcp_sock_get(), leading to UAF. Getting a reference on the socket found in a lookup while holding a lock should happen before releasing the lock. nfc_llcp_sock_get_sn() has a similar problem. Finally nfc_llcp_recv_snl() needs to make sure the socket found by nfc_llcp_sock_from_sn() does not disappear.

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  16. CVE-2023-52500

    Mittel · CVSS 5.5EPSS 0,23%Keine Korrektur veröffentlicht

    scsi: pm80xx: Avoid leaking tags when processing OPC_INB_SET_CONTROLLER_CONFIG command

    In the Linux kernel, the following vulnerability has been resolved: scsi: pm80xx: Avoid leaking tags when processing OPC_INB_SET_CONTROLLER_CONFIG command Tags allocated for OPC_INB_SET_CONTROLLER_CONFIG command need to be freed when we receive the response.

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  17. CVE-2022-48628

    Mittel · CVSS 5.5EPSS 0,24%Keine Korrektur veröffentlicht

    ceph: drop messages from MDS when unmounting

    In the Linux kernel, the following vulnerability has been resolved: ceph: drop messages from MDS when unmounting When unmounting all the dirty buffers will be flushed and after the last osd request is finished the last reference of the i_count will be released. Then it will flush the dirty cap/snap to MDSs, and the unmounting won't wait the possible acks, which will ihold the inodes when updating the metadata locally but makes no sense any more, of this. This will make the evict_inodes() to skip these inodes. If encrypt is enabled the kernel generate a warning when removing the encrypt keys when the skipped inodes still hold the keyring:

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  18. CVE-2022-48627

    Mittel · CVSS 5.5EPSS 0,28%Keine Korrektur veröffentlicht

    vt: fix memory overlapping when deleting chars in the buffer

    In the Linux kernel, the following vulnerability has been resolved: vt: fix memory overlapping when deleting chars in the buffer A memory overlapping copy occurs when deleting a long line. This memory overlapping copy can cause data corruption when scr_memcpyw is optimized to memcpy because memcpy does not ensure its behavior if the destination buffer overlaps with the source buffer. The line buffer is not always broken, because the memcpy utilizes the hardware acceleration, whose result is not deterministic. Fix this problem by using replacing the scr_memcpyw with scr_memmovew.

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  19. CVE-2024-26614

    Hoch · CVSS 7.8EPSS 0,18%Keine Korrektur veröffentlicht

    tcp: make sure init the accept_queue's spinlocks once

    In the Linux kernel, the following vulnerability has been resolved: tcp: make sure init the accept_queue's spinlocks once When I run syz's reproduction C program locally, it causes the following issue: pvqspinlock: lock 0xffff9d181cd5c660 has corrupted value 0x0! WARNING: CPU: 19 PID: 21160 at __pv_queued_spin_unlock_slowpath (kernel/locking/qspinlock_paravirt.h:508) Hardware name: Red Hat KVM, BIOS 0.5.1 01/01/2011 RIP: 0010:__pv_queued_spin_unlock_slowpath (kernel/locking/qspinlock_paravirt.h:508) Code: 73 56 3a ff 90 c3 cc cc cc cc 8b 05 bb 1f 48 01 85 c0 74 05 c3 cc cc cc cc 8b 17 48 89 fe 48 c7 c7 30 20 ce 8f e8 ad 56 42 ff <0f> 0b c3

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

  20. CVE-2023-52481

    Mittel · CVSS 4.7EPSS 0,6%Keine Korrektur veröffentlicht

    arm64: errata: Add Cortex-A520 speculative unprivileged load workaround

    In the Linux kernel, the following vulnerability has been resolved: arm64: errata: Add Cortex-A520 speculative unprivileged load workaround Implement the workaround for ARM Cortex-A520 erratum 2966298. On an affected Cortex-A520 core, a speculatively executed unprivileged load might leak data from a privileged load via a cache side channel. The issue only exists for loads within a translation regime with the same translation (e.g. same ASID and VMID). Therefore, the issue only affects the return to EL0. The workaround is to execute a TLBI before returning to EL0 after all loads of privileged data. A non-shareable TLBI to any address is suf

    linuxBetriebssysteme
    Veröffentlicht Aktualisiert
    Originalmeldung 1 ↗Originalmeldung 2 ↗Originalmeldung 3 ↗

Prüfen Sie Ihren Server

Gleichen Sie Ihren installierten Stack und seine Versionen mit den aktuellen Sicherheitsmeldungen ab.

Prüfen Sie Ihren Server →