SB2024110763 - NULL pointer dereference in Linux kernel bpf
Published: November 7, 2024 Updated: May 12, 2025
Security Bulletin ID
SB2024110763
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) NULL pointer dereference (CVE-ID: CVE-2024-50162)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the dev_map_hash_get_next_key(), dev_map_bpf_prog_run() and bq_xmit_all() functions in kernel/bpf/devmap.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/fe068afb868660fe683a8391c6c17ecbe2254922
- https://git.kernel.org/stable/c/a778fbe087c19f4ece5f5fc14173328f070c3803
- https://git.kernel.org/stable/c/49454f09936a9a96edfb047156889879cb4001eb
- https://git.kernel.org/stable/c/9167d1c274a336e4763eeb3f3f9cb763c55df5aa
- https://git.kernel.org/stable/c/ca9984c5f0ab3690d98b13937b2485a978c8dd73
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.170
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.1.115
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.11.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.12
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.59