CVE-2022-48659

MEDIUM

Linux Kernel - Denial of Service via kmalloc Failure in create_unique_id

Title source: llm
STIX 2.1

Description

In the Linux kernel, the following vulnerability has been resolved: mm/slub: fix to return errno if kmalloc() fails In create_unique_id(), kmalloc(, GFP_KERNEL) can fail due to out-of-memory, if it fails, return errno correctly rather than triggering panic via BUG_ON(); kernel BUG at mm/slub.c:5893! Internal error: Oops - BUG: 0 [#1] PREEMPT SMP Call trace: sysfs_slab_add+0x258/0x260 mm/slub.c:5973 __kmem_cache_create+0x60/0x118 mm/slub.c:4899 create_cache mm/slab_common.c:229 [inline] kmem_cache_create_usercopy+0x19c/0x31c mm/slab_common.c:335 kmem_cache_create+0x1c/0x28 mm/slab_common.c:390 f2fs_kmem_cache_create fs/f2fs/f2fs.h:2766 [inline] f2fs_init_xattr_caches+0x78/0xb4 fs/f2fs/xattr.c:808 f2fs_fill_super+0x1050/0x1e0c fs/f2fs/super.c:4149 mount_bdev+0x1b8/0x210 fs/super.c:1400 f2fs_mount+0x44/0x58 fs/f2fs/super.c:4512 legacy_get_tree+0x30/0x74 fs/fs_context.c:610 vfs_get_tree+0x40/0x140 fs/super.c:1530 do_new_mount+0x1dc/0x4e4 fs/namespace.c:3040 path_mount+0x358/0x914 fs/namespace.c:3370 do_mount fs/namespace.c:3383 [inline] __do_sys_mount fs/namespace.c:3591 [inline] __se_sys_mount fs/namespace.c:3568 [inline] __arm64_sys_mount+0x2f8/0x408 fs/namespace.c:3568

Scores

CVSS v3 5.5
EPSS 0.0024
EPSS Percentile 15.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact partial

Details

Status published
Products (26)
linux/Kernel 2.6.22 - 4.9.330linux
linux/Kernel 4.10.0 - 4.14.295linux
linux/Kernel 4.15.0 - 4.19.260linux
linux/Kernel 4.20.0 - 5.4.215linux
linux/Kernel 5.11.0 - 5.15.71linux
linux/Kernel 5.16.0 - 5.19.12linux
linux/Kernel 5.5.0 - 5.10.146linux
Linux/Linux < 2.6.22
Linux/Linux 2.6.22
Linux/Linux 4.14.295 - 4.14.*
... and 16 more
Published Apr 28, 2024
Tracked Since Feb 18, 2026