CVSS 3.1
Вероятност да бъде експлоатирана в следващите 30 дни (EPSS)
Атакува се
Време до експлоатация
Атакува се по мрежата, без особени условия, без вход и без действие от потребителя.
- Експлоатация: няма данни за експлоатация
- Атаката не може да се автоматизира
Описание
Оригинално описание
In the Linux kernel, the following vulnerability has been resolved: fs: dlm: fix race in lowcomms This patch fixes a race between queue_work() in _dlm_lowcomms_commit_msg() and srcu_read_unlock(). The queue_work() can take the final reference of a dlm_msg and so msg->idx can contain garbage which is signaled by the following warning: [ 676.237050] ------------[ cut here ]------------ [ 676.237052] WARNING: CPU: 0 PID: 1060 at include/linux/srcu.h:189 dlm_lowcomms_commit_msg+0x41/0x50 [ 676.238945] Modules linked in: dlm_locktorture torture rpcsec_gss_krb5 intel_rapl_msr intel_rapl_common iTCO_wdt iTCO_vendor_support qxl kvm_intel drm_ttm_helper vmw_vsock_virtio_transport kvm vmw_vsock_virtio_transport_common ttm irqbypass crc32_pclmul joydev crc32c_intel serio_raw drm_kms_helper vsock virtio_scsi virtio_console virtio_balloon snd_pcm drm syscopyarea sysfillrect sysimgblt snd_timer fb_sys_fops i2c_i801 lpc_ich snd i2c_smbus soundcore pcspkr [ 676.244227] CPU: 0 PID: 1060 Comm: lock_torture_wr Not tainted 5.19.0-rc3+ #1546 [ 676.245216] Hardware name: Red Hat KVM/RHEL-AV, BIOS 1.16.0-2.module+el8.7.0+15506+033991b0 04/01/2014 [ 676.246460] RIP: 0010:dlm_lowcomms_commit_msg+0x41/0x50 [ 676.247132] Code: fe ff ff ff 75 24 48 c7 c6 bd 0f 49 bb 48 c7 c7 38 7c 01 bd e8 00 e7 ca ff 89 de 48 c7 c7 60 78 01 bd e8 42 3d cd ff 5b 5d c3 <0f> 0b eb d8 66 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 44 00 00 55 48 [ 676.249253] RSP: 0018:ffffa401c18ffc68 EFLAGS: 00010282 [ 676.249855] RAX: 0000000000000001 RBX: 00000000ffff8b76 RCX: 0000000000000006 [ 676.250713] RDX: 0000000000000000 RSI: ffffffffbccf3a10 RDI: ffffffffbcc7b62e [ 676.251610] RBP: ffffa401c18ffc70 R08: 0000000000000001 R09: 0000000000000001 [ 676.252481] R10: 0000000000000001 R11: 0000000000000001 R12: 0000000000000005 [ 676.253421] R13: ffff8b76786ec370 R14: ffff8b76786ec370 R15: ffff8b76786ec480 [ 676.254257] FS: 0000000000000000(0000) GS:ffff8b7777800000(0000) knlGS:0000000000000000 [ 676.255239] CS:
Засегнати продукти
- Linux Linux: b38bc9c2b3171f4411d80015ecb876bc6f9bcd26 преди 27d3e646dd83bafd7094890462eebfce3ac31e4a; b38bc9c2b3171f4411d80015ecb876bc6f9bcd26 преди eb97e60a9eae632ff9104a580dbc4fdc58dc23cb; b38bc9c2b3171f4411d80015ecb876bc6f9bcd26 преди de7fdff754bb4d01e38e19964c309b6df6a79472; b38bc9c2b3171f4411d80015ecb876bc6f9bcd26 преди 30ea3257e8766027c4d8d609dcbd256ff9a76073; 7ae861bbfa0f69bd36bdff47f9755ad67a2bd219; 5.13.2 преди 5.14
- Linux Linux: 5.14; преди 5.14; 5.15.75 до 5.15.*; 5.19.17 до 5.19.*; 6.0.3 до 6.0.*; 6.1 до *
Вид слабост
История
- 17 септември 2025 Публикувано
Други уязвимости в Linux Linux
Първоизточници
- https://www.cve.org/CVERecord?id=CVE-2022-50373
- https://nvd.nist.gov/vuln/detail/CVE-2022-50373
- https://git.kernel.org/stable/c/27d3e646dd83bafd7094890462eebfce3ac31e4a
- https://git.kernel.org/stable/c/eb97e60a9eae632ff9104a580dbc4fdc58dc23cb
- https://git.kernel.org/stable/c/de7fdff754bb4d01e38e19964c309b6df6a79472
- https://git.kernel.org/stable/c/30ea3257e8766027c4d8d609dcbd256ff9a76073