#VU104538 Out-of-bounds read in Linux kernel - CVE-2022-49197
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104538
Vulnerability risk: Low
CVSSv4.0: 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
CVE-ID: CVE-2022-49197
CWE-ID: CWE-125
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerable software:
Linux kernel
Linux kernel
Software vendor:
Linux Foundation
Linux Foundation
Description
The vulnerability allows a local user to perform a denial of service (DoS) attack.
The vulnerability exists due to an out-of-bounds read error within the EXPORT_SYMBOL() function in net/netlink/af_netlink.c. A local user can perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
External links
- https://git.kernel.org/stable/c/0caf6d9922192dd1afa8dc2131abfb4df1443b9f
- https://git.kernel.org/stable/c/41249fff507387c3323b198d0052faed08b14de4
- https://git.kernel.org/stable/c/7409ff6393a67ff9838d0ae1bd102fb5f020d07a
- https://git.kernel.org/stable/c/ac5883a8890a11c00b32a19949a25d4afeaa2f5a
- https://git.kernel.org/stable/c/b0898362188e05b2202656058cc32d98fabf3bac
- https://git.kernel.org/stable/c/e1c5d46f05aa23d740daae5cd3a6472145afac42
- https://git.kernel.org/stable/c/e23e1e981247feb3c7d0236fe58aceb685f234ae
- https://git.kernel.org/stable/c/e8aaf3134bc5e943048eefe9f2ddaabf41d92b1a
- https://git.kernel.org/stable/c/f75f4abeec4c04b600a15b50c89a481f1e7435ee
- https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.19.238