SB2024071756 - NULL pointer dereference in Linux kernel core
Published: July 17, 2024 Updated: May 13, 2025
Security Bulletin ID
SB2024071756
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-2022-48850)
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to NULL pointer dereference within the speed_show() function in net/core/net-sysfs.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/a7b9ab04c5932dee7ec95e0abc58b0df350c0dd2
- https://git.kernel.org/stable/c/081369ad088a76429984483b8a5f7e967a125aad
- https://git.kernel.org/stable/c/75fc8363227a999e8f3d17e2eb28dce5600dcd3f
- https://git.kernel.org/stable/c/8879b5313e9fa5e0c6d6812a0d25d83aed0110e2
- https://git.kernel.org/stable/c/d15c9f6e3335002fea1c33bc8f71a705fa96976c
- https://git.kernel.org/stable/c/8d5e69d8fbf3a35ab4fbe56b8f092802b43f3ef6
- https://git.kernel.org/stable/c/3a79f380b3e10edf6caa9aac90163a5d7a282204
- https://git.kernel.org/stable/c/4224cfd7fb6523f7a9d1c8bb91bb5df1e38eb624
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.14.272
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.235
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.307
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.10.106
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.15.29
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.16.15
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.17
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.185