SB20250619209 - Out-of-bounds read in Linux kernel bpf
Published: June 19, 2025 Updated: June 21, 2025
Security Bulletin ID
SB20250619209
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Local access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2022-49985)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the record_func_key() function in kernel/bpf/verifier.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://git.kernel.org/stable/c/4f672112f8665102a5842c170be1713f8ff95919
- https://git.kernel.org/stable/c/a36df92c7ff7ecde2fb362241d0ab024dddd0597
- https://git.kernel.org/stable/c/a657182a5c5150cdfacb6640aad1d2712571a409
- https://git.kernel.org/stable/c/e8979807178434db8ceaa84dfcd44363e71e50bb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.140