Race condition within a thread in Linux kernel - CVE-2022-49598
Published: February 26, 2025 / Updated: May 11, 2025
Vulnerability identifier: #VU104820
CSH Severity: Low
CVSS v4: 4.8 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:L/VA:N/SC:N/SI:N/SA:N]
CVE-ID: CVE-2022-49598
CWE-ID: CWE-366
Exploitation vector: Local access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a local user to corrupt data.
The vulnerability exists due to a data race within the tcp_mtu_probing() function in net/ipv4/tcp_timer.c, within the tcp_mtup_init() function in net/ipv4/tcp_output.c. A local user can corrupt data.
Affected software
Linux kernel
How to mitigate CVE-2022-49598
Install update from vendor's website.
Linux kernel - update to 5.4.208
External References
- https://git.kernel.org/stable/c/77a04845f0d28a3561494a5f3121488470a968a4
- https://git.kernel.org/stable/c/7e8fc428a7f680f1c4994a40e52d7f95a9a93038
- https://git.kernel.org/stable/c/aabe9438fdfe004e021d5a206227ec105dbe2416
- https://git.kernel.org/stable/c/b0920ca09d9ce19980c8391b9002455baa9c1417
- https://git.kernel.org/stable/c/f47d00e077e7d61baf69e46dde3210c886360207
- https://git.kernel.org/stable/c/f966773e13cdd3f12baa90071b7b660f6c633ccb
- https://mirrors.edge.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.4.208