SB20250502247 - Buffer overflow in Linux kernel md driver
Published: May 2, 2025 Updated: May 10, 2025
Security Bulletin ID
SB20250502247
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Buffer overflow (CVE-ID: CVE-2022-49771)
CWE-ID: CWE-119 - Memory corruption
CVSSv4: 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
The vulnerability allows a local user to escalate privileges on the system.
The vulnerability exists due to memory corruption within the list_version_get_needed() and list_versions() functions in drivers/md/dm-ioctl.c. A local user can escalate privileges on the system.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/0c8d4112df329bf3dfbf27693f918c3b08676538
- https://git.kernel.org/stable/c/3a1c35d72dc0b34d1e746ed705790c0f630aa427
- https://git.kernel.org/stable/c/4fe1ec995483737f3d2a14c3fe1d8fe634972979
- https://git.kernel.org/stable/c/5398b8e275bf81a2517b327d216c0f37ac9ac5ae
- https://git.kernel.org/stable/c/6a818db0d5aecf80d4ba9e10ac153f60adc629ca
- https://git.kernel.org/stable/c/6ffce7a92ef5c68f7e5d6f4d722c2f96280c064b
- https://git.kernel.org/stable/c/b545c0e1e4094d4de2bdfe9a3823f9154b0c0005
- https://git.kernel.org/stable/c/f59f5a269ca5e43c567aca7f1f52500a0186e9b7
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.156