SB20240603143 - Use of uninitialized resource in Linux kernel caif
Published: June 3, 2024 Updated: May 14, 2025
Security Bulletin ID
SB20240603143
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) Use of uninitialized resource (CVE-ID: CVE-2021-47297)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to use of uninitialized resource within the caif_seqpkt_sendmsg() function in net/caif/caif_socket.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/d9d646acad2c3590e189bb5d5c86ab8bd8a2dfc3
- https://git.kernel.org/stable/c/5c6d8e2f7187b8e45a18c27acb7a3885f03ee3db
- https://git.kernel.org/stable/c/ffe31dd70b70a40cd6b21b78c1713a23e021843a
- https://git.kernel.org/stable/c/452c3ed7bf63721b07bc2238ed1261bb26027e85
- https://git.kernel.org/stable/c/9413c0abb57f70a953b1116318d6aa478013c35d
- https://git.kernel.org/stable/c/1582a02fecffcee306663035a295e28e1c4aaaff
- https://git.kernel.org/stable/c/d4c7797ab1517515f0d08b3bc1c6b48883889c54
- https://git.kernel.org/stable/c/991e634360f2622a683b48dfe44fe6d9cb765a09
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.241
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.199
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.4.277
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.277
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.54
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.13.6
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.136