CVE Catalog

CVE-2024-49903

High
Published: Translated: NVD NIST

Summary

A use-after-free vulnerability in the jfs module of the Linux kernel has been fixed, which could lead to unexpected system behavior. The issue pertains to functions managing mutex locks.

Risk Assessment

Exploitation of this vulnerability could lead to system crashes or unauthorized memory access, posing a serious threat to system stability and security.

Recommendation

It is recommended to update the Linux kernel to the latest version to mitigate this vulnerability and to monitor the system for unauthorized activities.

Related vulnerabilities

Original NVD description (English source)

In the Linux kernel, the following vulnerability has been resolved: jfs: Fix uaf in dbFreeBits [syzbot reported] ================================================================== BUG: KASAN: slab-use-after-free in __mutex_lock_common kernel/locking/mutex.c:587 [inline] BUG: KASAN: slab-use-after-free in __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752 Read of size 8 at addr ffff8880229254b0 by task syz-executor357/5216 CPU: 0 UID: 0 PID: 5216 Comm: syz-executor357 Not tainted 6.11.0-rc3-syzkaller-00156-gd7a5aa4b3c00 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 06/27/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:93 [inline] dump_stack_lvl+0x241/0x360 lib/dump_stack.c:119 print_address_description mm/kasan/report.c:377 [inline] print_report+0x169/0x550 mm/kasan/report.c:488 kasan_report+0x143/0x180 mm/kasan/report.c:601 __mutex_lock_common kernel/locking/mutex.c:587 [inline] __mutex_lock+0xfe/0xd70 kernel/locking/mutex.c:752 dbF

Vulnerability data from NVD (NIST) · CISA KEV · EPSS