SB2024071711 - Memory leak in Linux kernel packet
Published: July 17, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071711
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) Memory leak (CVE-ID: CVE-2022-48839)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to memory leak within the tpacket_rcv() and packet_recvmsg() functions in net/packet/af_packet.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/b9d5772d60f8e7ef34e290f72fc20e3a4883e7d0
- https://git.kernel.org/stable/c/b1e27cda1e3c12b705875bb7e247a97168580e33
- https://git.kernel.org/stable/c/a33dd1e6693f80d805155b3f69c18c2f642915da
- https://git.kernel.org/stable/c/268dcf1f7b3193bc446ec3d14e08a240e9561e4d
- https://git.kernel.org/stable/c/70b7b3c055fd4a464da8da55ff4c1f84269f9b02
- https://git.kernel.org/stable/c/a055f5f2841f7522b44a2b1eccb1951b4b03d51a
- https://git.kernel.org/stable/c/ef591b35176029fdefea38e8388ffa371e18f4b2
- https://git.kernel.org/stable/c/c700525fcc06b05adfea78039de02628af79e07a
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.273
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.236
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.308
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.108
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.31
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.187