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In den letzten 30 Tagen veröffentlichte Sicherheitslücken für linux-fips: 329. Davon im KEV-Katalog: 0.

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  1. CVE-2024-56658

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

    net: defer final 'struct net' free in netns dismantle

    In the Linux kernel, the following vulnerability has been resolved: net: defer final 'struct net' free in netns dismantle Ilya reported a slab-use-after-free in dst_destroy [1] Issue is in xfrm6_net_init() and xfrm4_net_init() : They copy xfrm[46]_dst_ops_template into net->xfrm.xfrm[46]_dst_ops. But net structure might be freed before all the dst callbacks are called. So when dst_destroy() calls later : if (dst->ops->destroy) dst->ops->destroy(dst); dst->ops points to the old net->xfrm.xfrm[46]_dst_ops, which has been freed. See a relevant issue fixed in : ac888d58869b ("net: do not delay dst_entries_add() in dst_release()") A

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  2. CVE-2024-56650

    Hoch · CVSS 7.1EPSS 0,27%Keine Korrektur veröffentlicht

    netfilter: x_tables: fix LED ID check in led_tg_check()

    In the Linux kernel, the following vulnerability has been resolved: netfilter: x_tables: fix LED ID check in led_tg_check() Syzbot has reported the following BUG detected by KASAN: BUG: KASAN: slab-out-of-bounds in strlen+0x58/0x70 Read of size 1 at addr ffff8881022da0c8 by task repro/5879 ... Call Trace: <TASK> dump_stack_lvl+0x241/0x360 ? __pfx_dump_stack_lvl+0x10/0x10 ? __pfx__printk+0x10/0x10 ? _printk+0xd5/0x120 ? __virt_addr_valid+0x183/0x530 ? __virt_addr_valid+0x183/0x530 print_report+0x169/0x550 ? __virt_addr_valid+0x183/0x530 ? __virt_addr_valid+0x183/0x530 ? __virt_addr_valid+0x45f/0x530 ? __phys_addr+0xba/0x170 ? s

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  3. CVE-2024-56647

    Mittel · CVSS 5.5EPSS 0,22%Keine Korrektur veröffentlicht

    net: Fix icmp host relookup triggering ip_rt_bug

    In the Linux kernel, the following vulnerability has been resolved: net: Fix icmp host relookup triggering ip_rt_bug arp link failure may trigger ip_rt_bug while xfrm enabled, call trace is: WARNING: CPU: 0 PID: 0 at net/ipv4/route.c:1241 ip_rt_bug+0x14/0x20 Modules linked in: CPU: 0 UID: 0 PID: 0 Comm: swapper/0 Not tainted 6.12.0-rc6-00077-g2e1b3cc9d7f7 Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.13.0-0-gf21b5a4aeb02-prebuilt.qemu.org 04/01/2014 RIP: 0010:ip_rt_bug+0x14/0x20 Call Trace: <IRQ> ip_send_skb+0x14/0x40 __icmp_send+0x42d/0x6a0 ipv4_link_failure+0xe2/0x1d0 arp_error_report+0x3c/0x50 neigh_invalidate+

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  4. CVE-2024-56644

    Hoch · CVSS 7.5EPSS 0,71%Keine Korrektur veröffentlicht

    net/ipv6: release expired exception dst cached in socket

    In the Linux kernel, the following vulnerability has been resolved: net/ipv6: release expired exception dst cached in socket Dst objects get leaked in ip6_negative_advice() when this function is executed for an expired IPv6 route located in the exception table. There are several conditions that must be fulfilled for the leak to occur: * an ICMPv6 packet indicating a change of the MTU for the path is received, resulting in an exception dst being created * a TCP connection that uses the exception dst for routing packets must start timing out so that TCP begins retransmissions * after the exception dst expires, the FIB6 garbage collector m

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  5. CVE-2024-56643

    Niedrig · CVSS 3.3EPSS 0,23%Keine Korrektur veröffentlicht

    dccp: Fix memory leak in dccp_feat_change_recv

    In the Linux kernel, the following vulnerability has been resolved: dccp: Fix memory leak in dccp_feat_change_recv If dccp_feat_push_confirm() fails after new value for SP feature was accepted without reconciliation ('entry == NULL' branch), memory allocated for that value with dccp_feat_clone_sp_val() is never freed. Here is the kmemleak stack for this: unreferenced object 0xffff88801d4ab488 (size 8): comm "syz-executor310", pid 1127, jiffies 4295085598 (age 41.666s) hex dump (first 8 bytes): 01 b4 4a 1d 80 88 ff ff ..J..... backtrace: [<00000000db7cabfe>] kmemdup+0x23/0x50 mm/util.c:128 [<00000

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  6. CVE-2024-56642

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

    tipc: Fix use-after-free of kernel socket in cleanup_bearer().

    In the Linux kernel, the following vulnerability has been resolved: tipc: Fix use-after-free of kernel socket in cleanup_bearer(). syzkaller reported a use-after-free of UDP kernel socket in cleanup_bearer() without repro. [0][1] When bearer_disable() calls tipc_udp_disable(), cleanup of the UDP kernel socket is deferred by work calling cleanup_bearer(). tipc_exit_net() waits for such works to finish by checking tipc_net(net)->wq_count. However, the work decrements the count too early before releasing the kernel socket, unblocking cleanup_net() and resulting in use-after-free. Let's move the decrement after releasing the socket in clean

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  7. CVE-2024-56637

    Hoch · CVSS 7.3EPSS 0,18%Keine Korrektur veröffentlicht

    netfilter: ipset: Hold module reference while requesting a module

    In the Linux kernel, the following vulnerability has been resolved: netfilter: ipset: Hold module reference while requesting a module User space may unload ip_set.ko while it is itself requesting a set type backend module, leading to a kernel crash. The race condition may be provoked by inserting an mdelay() right after the nfnl_unlock() call.

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  8. CVE-2024-56631

    Hoch · CVSS 7.8EPSS 0,29%Keine Korrektur veröffentlicht

    scsi: sg: Fix slab-use-after-free read in sg_release()

    In the Linux kernel, the following vulnerability has been resolved: scsi: sg: Fix slab-use-after-free read in sg_release() Fix a use-after-free bug in sg_release(), detected by syzbot with KASAN: BUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockdep.c:5838 __mutex_unlock_slowpath+0xe2/0x750 kernel/locking/mutex.c:912 sg_release+0x1f4/0x2e0 drivers/scsi/sg.c:407 In sg_release(), the function kref_put(&sfp->f_ref, sg_remove_sfp) is called before releasing the open_rel_lock mutex. The kref_put() call may decrement the reference count of sfp to zero, triggering its cleanup through sg_remove_sfp(). This cleanup inc

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  9. CVE-2024-56630

    Mittel · CVSS 5.7EPSS 0,26%Keine Korrektur veröffentlicht

    ocfs2: free inode when ocfs2_get_init_inode() fails

    In the Linux kernel, the following vulnerability has been resolved: ocfs2: free inode when ocfs2_get_init_inode() fails syzbot is reporting busy inodes after unmount, for commit 9c89fe0af826 ("ocfs2: Handle error from dquot_initialize()") forgot to call iput() when new_inode() succeeded and dquot_initialize() failed.

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  10. CVE-2024-56619

    Hoch · CVSS 7.8EPSS 0,21%Keine Korrektur veröffentlicht

    nilfs2: fix potential out-of-bounds memory access in nilfs_find_entry()

    In the Linux kernel, the following vulnerability has been resolved: nilfs2: fix potential out-of-bounds memory access in nilfs_find_entry() Syzbot reported that when searching for records in a directory where the inode's i_size is corrupted and has a large value, memory access outside the folio/page range may occur, or a use-after-free bug may be detected if KASAN is enabled. This is because nilfs_last_byte(), which is called by nilfs_find_entry() and others to calculate the number of valid bytes of directory data in a page from i_size and the page index, loses the upper 32 bits of the 64-bit size information due to an inappropriate type o

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  11. CVE-2024-56616

    Hoch · CVSS 7.8EPSS 0,21%Keine Korrektur veröffentlicht

    drm/dp_mst: Fix MST sideband message body length check

    In the Linux kernel, the following vulnerability has been resolved: drm/dp_mst: Fix MST sideband message body length check Fix the MST sideband message body length check, which must be at least 1 byte accounting for the message body CRC (aka message data CRC) at the end of the message. This fixes a case where an MST branch device returns a header with a correct header CRC (indicating a correctly received body length), with the body length being incorrectly set to 0. This will later lead to a memory corruption in drm_dp_sideband_append_payload() and the following errors in dmesg: UBSAN: array-index-out-of-bounds in drivers/gpu/drm/displ

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  12. CVE-2024-56611

    Mittel · CVSS 5.5EPSS 0,21%Keine Korrektur veröffentlicht

    mm/mempolicy: fix migrate_to_node() assuming there is at least one VMA in a MM

    In the Linux kernel, the following vulnerability has been resolved: mm/mempolicy: fix migrate_to_node() assuming there is at least one VMA in a MM We currently assume that there is at least one VMA in a MM, which isn't true. So we might end up having find_vma() return NULL, to then de-reference NULL. So properly handle find_vma() returning NULL. This fixes the report: Oops: general protection fault, probably for non-canonical address 0xdffffc0000000000: 0000 [#1] PREEMPT SMP KASAN PTI KASAN: null-ptr-deref in range [0x0000000000000000-0x0000000000000007] CPU: 1 UID: 0 PID: 6021 Comm: syz-executor284 Not tainted 6.12.0-rc7-syzkaller-0018

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  13. CVE-2024-56606

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

    af_packet: avoid erroring out after sock_init_data() in packet_create()

    In the Linux kernel, the following vulnerability has been resolved: af_packet: avoid erroring out after sock_init_data() in packet_create() After sock_init_data() the allocated sk object is attached to the provided sock object. On error, packet_create() frees the sk object leaving the dangling pointer in the sock object on return. Some other code may try to use this pointer and cause use-after-free.

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  14. CVE-2024-56605

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

    Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: L2CAP: do not leave dangling sk pointer on error in l2cap_sock_create() bt_sock_alloc() allocates the sk object and attaches it to the provided sock object. On error l2cap_sock_alloc() frees the sk object, but the dangling pointer is still attached to the sock object, which may create use-after-free in other code.

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  15. CVE-2024-56604

    Hoch · CVSS 7.8EPSS 0,22%Keine Korrektur veröffentlicht

    Bluetooth: RFCOMM: avoid leaving dangling sk pointer in rfcomm_sock_alloc()

    In the Linux kernel, the following vulnerability has been resolved: Bluetooth: RFCOMM: avoid leaving dangling sk pointer in rfcomm_sock_alloc() bt_sock_alloc() attaches allocated sk object to the provided sock object. If rfcomm_dlc_alloc() fails, we release the sk object, but leave the dangling pointer in the sock object, which may cause use-after-free. Fix this by swapping calls to bt_sock_alloc() and rfcomm_dlc_alloc().

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  16. CVE-2024-56603

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

    net: af_can: do not leave a dangling sk pointer in can_create()

    In the Linux kernel, the following vulnerability has been resolved: net: af_can: do not leave a dangling sk pointer in can_create() On error can_create() frees the allocated sk object, but sock_init_data() has already attached it to the provided sock object. This will leave a dangling sk pointer in the sock object and may cause use-after-free later.

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  17. CVE-2024-56602

    Hoch · CVSS 7EPSS 0,23%Keine Korrektur veröffentlicht

    net: ieee802154: do not leave a dangling sk pointer in ieee802154_create()

    In the Linux kernel, the following vulnerability has been resolved: net: ieee802154: do not leave a dangling sk pointer in ieee802154_create() sock_init_data() attaches the allocated sk object to the provided sock object. If ieee802154_create() fails later, the allocated sk object is freed, but the dangling pointer remains in the provided sock object, which may allow use-after-free. Clear the sk pointer in the sock object on error.

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  18. CVE-2024-56601

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

    net: inet: do not leave a dangling sk pointer in inet_create()

    In the Linux kernel, the following vulnerability has been resolved: net: inet: do not leave a dangling sk pointer in inet_create() sock_init_data() attaches the allocated sk object to the provided sock object. If inet_create() fails later, the sk object is freed, but the sock object retains the dangling pointer, which may create use-after-free later. Clear the sk pointer in the sock object on error.

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  19. CVE-2024-56600

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

    net: inet6: do not leave a dangling sk pointer in inet6_create()

    In the Linux kernel, the following vulnerability has been resolved: net: inet6: do not leave a dangling sk pointer in inet6_create() sock_init_data() attaches the allocated sk pointer to the provided sock object. If inet6_create() fails later, the sk object is released, but the sock object retains the dangling sk pointer, which may cause use-after-free later. Clear the sock sk pointer on error.

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  20. CVE-2024-56598

    Hoch · CVSS 7.1EPSS 0,26%Keine Korrektur veröffentlicht

    jfs: array-index-out-of-bounds fix in dtReadFirst

    In the Linux kernel, the following vulnerability has been resolved: jfs: array-index-out-of-bounds fix in dtReadFirst The value of stbl can be sometimes out of bounds due to a bad filesystem. Added a check with appopriate return of error code in that case.

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