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Sicherheitslücken in linux-fips · Seite 175

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

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  1. CVE-2024-54683

    Mittel · CVSS 5.5EPSS 0,16%Keine Korrektur veröffentlicht

    netfilter: IDLETIMER: Fix for possible ABBA deadlock

    In the Linux kernel, the following vulnerability has been resolved: netfilter: IDLETIMER: Fix for possible ABBA deadlock Deletion of the last rule referencing a given idletimer may happen at the same time as a read of its file in sysfs: | ====================================================== | WARNING: possible circular locking dependency detected | 6.12.0-rc7-01692-g5e9a28f41134-dirty #594 Not tainted | ------------------------------------------------------ | iptables/3303 is trying to acquire lock: | ffff8881057e04b8 (kn->active#48){++++}-{0:0}, at: __kernfs_remove+0x20 | | but task is already holding lock: | ffffffffa0249068 (list_mute

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  2. CVE-2024-53680

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

    ipvs: fix UB due to uninitialized stack access in ip_vs_protocol_init()

    In the Linux kernel, the following vulnerability has been resolved: ipvs: fix UB due to uninitialized stack access in ip_vs_protocol_init() Under certain kernel configurations when building with Clang/LLVM, the compiler does not generate a return or jump as the terminator instruction for ip_vs_protocol_init(), triggering the following objtool warning during build time: vmlinux.o: warning: objtool: ip_vs_protocol_init() falls through to next function __initstub__kmod_ip_vs_rr__935_123_ip_vs_rr_init6() At runtime, this either causes an oops when trying to load the ipvs module or a boot-time panic if ipvs is built-in. This same issue has b

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  3. CVE-2024-52332

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

    igb: Fix potential invalid memory access in igb_init_module()

    In the Linux kernel, the following vulnerability has been resolved: igb: Fix potential invalid memory access in igb_init_module() The pci_register_driver() can fail and when this happened, the dca_notifier needs to be unregistered, otherwise the dca_notifier can be called when igb fails to install, resulting to invalid memory access.

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  4. CVE-2024-50051

    Hoch · CVSS 7.8EPSS 0,26%Keine Korrektur veröffentlicht

    spi: mpc52xx: Add cancel_work_sync before module remove

    In the Linux kernel, the following vulnerability has been resolved: spi: mpc52xx: Add cancel_work_sync before module remove If we remove the module which will call mpc52xx_spi_remove it will free 'ms' through spi_unregister_controller. while the work ms->work will be used. The sequence of operations that may lead to a UAF bug. Fix it by ensuring that the work is canceled before proceeding with the cleanup in mpc52xx_spi_remove.

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  5. CVE-2024-47809

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

    dlm: fix possible lkb_resource null dereference

    In the Linux kernel, the following vulnerability has been resolved: dlm: fix possible lkb_resource null dereference This patch fixes a possible null pointer dereference when this function is called from request_lock() as lkb->lkb_resource is not assigned yet, only after validate_lock_args() by calling attach_lkb(). Another issue is that a resource name could be a non printable bytearray and we cannot assume to be ASCII coded. The log functionality is probably never being hit when DLM is used in normal way and no debug logging is enabled. The null pointer dereference can only occur on a new created lkb that does not have the resource assign

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  6. CVE-2024-47143

    Mittel · CVSS 5.5EPSS 0,19%Keine Korrektur veröffentlicht

    dma-debug: fix a possible deadlock on radix_lock

    In the Linux kernel, the following vulnerability has been resolved: dma-debug: fix a possible deadlock on radix_lock radix_lock() shouldn't be held while holding dma_hash_entry[idx].lock otherwise, there's a possible deadlock scenario when dma debug API is called holding rq_lock(): CPU0 CPU1 CPU2 dma_free_attrs() check_unmap() add_dma_entry() __schedule() //out (A) rq_lock() get_hash_bucket() (A) dma_entry_hash check_sync() (A) radix_lock() (W) dma_e

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  7. CVE-2024-47141

    Mittel · CVSS 5.5EPSS 0,17%Keine Korrektur veröffentlicht

    pinmux: Use sequential access to access desc->pinmux data

    In the Linux kernel, the following vulnerability has been resolved: pinmux: Use sequential access to access desc->pinmux data When two client of the same gpio call pinctrl_select_state() for the same functionality, we are seeing NULL pointer issue while accessing desc->mux_owner. Let's say two processes A, B executing in pin_request() for the same pin and process A updates the desc->mux_usecount but not yet updated the desc->mux_owner while process B see the desc->mux_usecount which got updated by A path and further executes strcmp and while accessing desc->mux_owner it crashes with NULL pointer. Serialize the access to mux related settin

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  8. CVE-2024-41935

    Hoch · CVSS 7.1EPSS 0,23%Keine Korrektur veröffentlicht

    f2fs: fix to shrink read extent node in batches

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to shrink read extent node in batches We use rwlock to protect core structure data of extent tree during its shrink, however, if there is a huge number of extent nodes in extent tree, during shrink of extent tree, it may hold rwlock for a very long time, which may trigger kernel hang issue. This patch fixes to shrink read extent node in batches, so that, critical region of the rwlock can be shrunk to avoid its extreme long time hold.

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  9. CVE-2024-56779

    Kritisch · CVSS 9.8EPSS 0,55%Keine Korrektur veröffentlicht

    nfsd: fix nfs4_openowner leak when concurrent nfsd4_open occur

    In the Linux kernel, the following vulnerability has been resolved: nfsd: fix nfs4_openowner leak when concurrent nfsd4_open occur The action force umount(umount -f) will attempt to kill all rpc_task even umount operation may ultimately fail if some files remain open. Consequently, if an action attempts to open a file, it can potentially send two rpc_task to nfs server. NFS CLIENT thread1 thread2 open("file") ... nfs4_do_open _nfs4_do_open _nfs4_open_and_get_state _nfs4_proc_open nfs4_run_open_task /* rpc_task1 */ rpc_run_task rpc_wait_for_completion_task

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  10. CVE-2024-56770

    Mittel · CVSS 5.5EPSS 0,27%Keine Korrektur veröffentlicht

    net/sched: netem: account for backlog updates from child qdisc

    In the Linux kernel, the following vulnerability has been resolved: net/sched: netem: account for backlog updates from child qdisc In general, 'qlen' of any classful qdisc should keep track of the number of packets that the qdisc itself and all of its children holds. In case of netem, 'qlen' only accounts for the packets in its internal tfifo. When netem is used with a child qdisc, the child qdisc can use 'qdisc_tree_reduce_backlog' to inform its parent, netem, about created or dropped SKBs. This function updates 'qlen' and the backlog statistics of netem, but netem does not account for changes made by a child qdisc. 'qlen' then indicates t

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  11. CVE-2024-56769

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

    media: dvb-frontends: dib3000mb: fix uninit-value in dib3000_write_reg

    In the Linux kernel, the following vulnerability has been resolved: media: dvb-frontends: dib3000mb: fix uninit-value in dib3000_write_reg Syzbot reports [1] an uninitialized value issue found by KMSAN in dib3000_read_reg(). Local u8 rb[2] is used in i2c_transfer() as a read buffer; in case that call fails, the buffer may end up with some undefined values. Since no elaborate error handling is expected in dib3000_write_reg(), simply zero out rb buffer to mitigate the problem. [1] Syzkaller report dvb-usb: bulk message failed: -22 (6/0) ===================================================== BUG: KMSAN: uninit-value in dib3000mb_attach+0x2d8

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  12. CVE-2024-56767

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

    dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset

    In the Linux kernel, the following vulnerability has been resolved: dmaengine: at_xdmac: avoid null_prt_deref in at_xdmac_prep_dma_memset The at_xdmac_memset_create_desc may return NULL, which will lead to a null pointer dereference. For example, the len input is error, or the atchan->free_descs_list is empty and memory is exhausted. Therefore, add check to avoid this.

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  14. CVE-2024-56759

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

    btrfs: fix use-after-free when COWing tree bock and tracing is enabled

    In the Linux kernel, the following vulnerability has been resolved: btrfs: fix use-after-free when COWing tree bock and tracing is enabled When a COWing a tree block, at btrfs_cow_block(), and we have the tracepoint trace_btrfs_cow_block() enabled and preemption is also enabled (CONFIG_PREEMPT=y), we can trigger a use-after-free in the COWed extent buffer while inside the tracepoint code. This is because in some paths that call btrfs_cow_block(), such as btrfs_search_slot(), we are holding the last reference on the extent buffer @buf so btrfs_force_cow_block() drops the last reference on the @buf extent buffer when it calls free_extent_buff

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  15. CVE-2024-56746

    Niedrig · CVSS 3.3EPSS 0,22%Keine Korrektur veröffentlicht

    fbdev: sh7760fb: Fix a possible memory leak in sh7760fb_alloc_mem()

    In the Linux kernel, the following vulnerability has been resolved: fbdev: sh7760fb: Fix a possible memory leak in sh7760fb_alloc_mem() When information such as info->screen_base is not ready, calling sh7760fb_free_mem() does not release memory correctly. Call dma_free_coherent() instead.

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  16. CVE-2024-56739

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

    rtc: check if __rtc_read_time was successful in rtc_timer_do_work()

    In the Linux kernel, the following vulnerability has been resolved: rtc: check if __rtc_read_time was successful in rtc_timer_do_work() If the __rtc_read_time call fails,, the struct rtc_time tm; may contain uninitialized data, or an illegal date/time read from the RTC hardware. When calling rtc_tm_to_ktime later, the result may be a very large value (possibly KTIME_MAX). If there are periodic timers in rtc->timerqueue, they will continually expire, may causing kernel softlockup.

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  17. CVE-2024-56700

    Mittel · CVSS 5.7EPSS 0,22%Keine Korrektur veröffentlicht

    media: wl128x: Fix atomicity violation in fmc_send_cmd()

    In the Linux kernel, the following vulnerability has been resolved: media: wl128x: Fix atomicity violation in fmc_send_cmd() Atomicity violation occurs when the fmc_send_cmd() function is executed simultaneously with the modification of the fmdev->resp_skb value. Consider a scenario where, after passing the validity check within the function, a non-null fmdev->resp_skb variable is assigned a null value. This results in an invalid fmdev->resp_skb variable passing the validity check. As seen in the later part of the function, skb = fmdev->resp_skb; when the invalid fmdev->resp_skb passes the check, a null pointer dereference error may occur a

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  18. CVE-2024-56692

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

    f2fs: fix to do sanity check on node blkaddr in truncate_node()

    In the Linux kernel, the following vulnerability has been resolved: f2fs: fix to do sanity check on node blkaddr in truncate_node() syzbot reports a f2fs bug as below: ------------[ cut here ]------------ kernel BUG at fs/f2fs/segment.c:2534! RIP: 0010:f2fs_invalidate_blocks+0x35f/0x370 fs/f2fs/segment.c:2534 Call Trace: truncate_node+0x1ae/0x8c0 fs/f2fs/node.c:909 f2fs_remove_inode_page+0x5c2/0x870 fs/f2fs/node.c:1288 f2fs_evict_inode+0x879/0x15c0 fs/f2fs/inode.c:856 evict+0x4e8/0x9b0 fs/inode.c:723 f2fs_handle_failed_inode+0x271/0x2e0 fs/f2fs/inode.c:986 f2fs_create+0x357/0x530 fs/f2fs/namei.c:394 lookup_open fs/namei.c:3595 [inli

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  19. CVE-2024-56670

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

    usb: gadget: u_serial: Fix the issue that gs_start_io crashed due to accessing null pointer

    In the Linux kernel, the following vulnerability has been resolved: usb: gadget: u_serial: Fix the issue that gs_start_io crashed due to accessing null pointer Considering that in some extreme cases, when u_serial driver is accessed by multiple threads, Thread A is executing the open operation and calling the gs_open, Thread B is executing the disconnect operation and calling the gserial_disconnect function,The port->port_usb pointer will be set to NULL. E.g. Thread A Thread B gs_open() gadget_unbind_driver() gs_start_io() composite_discon

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  20. CVE-2024-56659

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

    net: lapb: increase LAPB_HEADER_LEN

    In the Linux kernel, the following vulnerability has been resolved: net: lapb: increase LAPB_HEADER_LEN It is unclear if net/lapb code is supposed to be ready for 8021q. We can at least avoid crashes like the following : skbuff: skb_under_panic: text:ffffffff8aabe1f6 len:24 put:20 head:ffff88802824a400 data:ffff88802824a3fe tail:0x16 end:0x140 dev:nr0.2 ------------[ cut here ]------------ kernel BUG at net/core/skbuff.c:206 ! Oops: invalid opcode: 0000 [#1] PREEMPT SMP KASAN PTI CPU: 1 UID: 0 PID: 5508 Comm: dhcpcd Not tainted 6.12.0-rc7-syzkaller-00144-g66418447d27b #0 Hardware name: Google Google Compute Engine/Google Compute Engine,

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