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SUSE-SU-2025:0179-1

Опубликовано: 17 янв. 2025
Источник: suse-cvrf

Описание

Security update for the Linux Kernel (Live Patch 4 for SLE 15 SP6)

This update for the Linux Kernel 6.4.0-150600_23_22 fixes several issues.

The following security issues were fixed:

  • CVE-2024-50264: vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans (bsc#1233712).
  • CVE-2023-52752: smb: client: fix use-after-free bug in cifs_debug_data_proc_show() (bsc#1225819).

Список пакетов

SUSE Linux Enterprise Live Patching 15 SP6
kernel-livepatch-6_4_0-150600_23_22-default-3-150600.13.6.1

Ссылки

Описание

In the Linux kernel, the following vulnerability has been resolved: smb: client: fix use-after-free bug in cifs_debug_data_proc_show() Skip SMB sessions that are being teared down (e.g. @ses->ses_status == SES_EXITING) in cifs_debug_data_proc_show() to avoid use-after-free in @ses. This fixes the following GPF when reading from /proc/fs/cifs/DebugData while mounting and umounting [ 816.251274] general protection fault, probably for non-canonical address 0x6b6b6b6b6b6b6d81: 0000 [#1] PREEMPT SMP NOPTI ... [ 816.260138] Call Trace: [ 816.260329] <TASK> [ 816.260499] ? die_addr+0x36/0x90 [ 816.260762] ? exc_general_protection+0x1b3/0x410 [ 816.261126] ? asm_exc_general_protection+0x26/0x30 [ 816.261502] ? cifs_debug_tcon+0xbd/0x240 [cifs] [ 816.261878] ? cifs_debug_tcon+0xab/0x240 [cifs] [ 816.262249] cifs_debug_data_proc_show+0x516/0xdb0 [cifs] [ 816.262689] ? seq_read_iter+0x379/0x470 [ 816.262995] seq_read_iter+0x118/0x470 [ 816.263291] proc_reg_read_iter+0x53/0x90 [ 816.263596] ? srso_alias_return_thunk+0x5/0x7f [ 816.263945] vfs_read+0x201/0x350 [ 816.264211] ksys_read+0x75/0x100 [ 816.264472] do_syscall_64+0x3f/0x90 [ 816.264750] entry_SYSCALL_64_after_hwframe+0x6e/0xd8 [ 816.265135] RIP: 0033:0x7fd5e669d381

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP6:kernel-livepatch-6_4_0-150600_23_22-default-3-150600.13.6.1
Ссылки

Описание

In the Linux kernel, the following vulnerability has been resolved: vsock/virtio: Initialization of the dangling pointer occurring in vsk->trans During loopback communication, a dangling pointer can be created in vsk->trans, potentially leading to a Use-After-Free condition. This issue is resolved by initializing vsk->trans to NULL.

Затронутые продукты
SUSE Linux Enterprise Live Patching 15 SP6:kernel-livepatch-6_4_0-150600_23_22-default-3-150600.13.6.1
Ссылки
Уязвимость SUSE-SU-2025:0179-1