SB2024060585 - NULL pointer dereference in Linux kernel crypto
Published: June 5, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024060585
CSH 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 vulnerability.
1) NULL pointer dereference (CVE-ID: CVE-2023-52472)
CWE-ID: CWE-476 - NULL Pointer Dereference
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the rsa_check_exponent_fips() function in crypto/rsa.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/2831f4d3bfa68e64c5f83e96688be779c87b3511
- https://git.kernel.org/stable/c/95ad8b6879e2e49d02e3bfc0e1fb46421633fe2a
- https://git.kernel.org/stable/c/d872ca165cb67112f2841ef9c37d51ef7e63d1e4
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.6.14
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.7.2
- https://mirrors.edge.kernel.org/pub/linux/kernel/v6.x/ChangeLog-6.8