vulnerability
CentOS Linux: CVE-2021-4203: Important: kernel-rt security and bug fix update (Multiple Advisories)
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 5 | (AV:N/AC:M/Au:S/C:P/I:N/A:P) | 2022-03-25 | 2022-05-13 | 2023-05-25 |
Severity
5
CVSS
(AV:N/AC:M/Au:S/C:P/I:N/A:P)
Published
2022-03-25
Added
2022-05-13
Modified
2023-05-25
Description
A use-after-free read flaw was found in sock_getsockopt() in net/core/sock.c due to SO_PEERCRED and SO_PEERGROUPS race with listen() (and connect()) in the Linux kernel. In this flaw, an attacker with a user privileges may crash the system or leak internal kernel information.
Solution(s)
centos-upgrade-kernelcentos-upgrade-kernel-rt
References
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