#VU91481 Race condition in Linux kernel - CVE-2024-26685
Vulnerability identifier: #VU91481
Vulnerability risk: Low
CVSSv4.0: 5.9 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]
CVE-ID:
CWE-ID:
CWE-362
Exploitation vector: Local
Exploit availability: No
Vulnerable software:
Linux kernel
Operating systems & Components /
Operating system
Vendor: Linux Foundation
Description
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to a race condition within the nilfs_segctor_prepare_write(), nilfs_abort_logs() and nilfs_segctor_complete_write() functions in fs/nilfs2/segment.c. A local user can escalate privileges on the system.
Mitigation
Install update from vendor's website.
Vulnerable software versions
Linux kernel: 4.19 - 4.19.306, 5.4 - 5.4.268, 5.10 - 5.10.209, 5.15 - 5.15.148, 6.1 - 6.1.78, 6.6 - 6.6.17, 6.7 - 6.7.5, 6.8 rc1 - 6.8 rc5
External links
https://git.kernel.org/stable/c/c4a09fdac625e64abe478dcf88bfa20406616928
https://git.kernel.org/stable/c/d31c8721e816eff5ca6573cc487754f357c093cd
https://git.kernel.org/stable/c/f3e4963566f58726d3265a727116a42b591f6596
https://git.kernel.org/stable/c/8fa90634ec3e9cc50f42dd605eec60f2d146ced8
https://git.kernel.org/stable/c/6589f0f72f8edd1fa11adce4eedbd3615f2e78ab
https://git.kernel.org/stable/c/2c3bdba00283a6c7a5b19481a59a730f46063803
https://git.kernel.org/stable/c/626daab3811b772086aef1bf8eed3ffe6f523eff
https://git.kernel.org/stable/c/5bc09b397cbf1221f8a8aacb1152650c9195b02b
https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.307
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.210
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.149
https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.269
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.79
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.18
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.6
https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8
Q & A
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?
