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CVE-2021-4083 A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in…
Description
A read-after-free memory flaw was found in the Linux kernel's garbage collection for Unix domain socket file handlers in the way users call close() and fget() simultaneously and can potentially trigger a race condition. This flaw allows a local user to crash the system or escalate their privileges on the system. This flaw affects Linux kernel versions prior to 5.16-rc4.
Affected products and versions
| Product | Affected versions | Fixed in |
|---|---|---|
| kernel | Versions not published |
References
- bugzilla.redhat.com bugzilla.redhat.com
- git.kernel.org git.kernel.org
- [debian-lts-announce] 20220309 [SECURITY] [DLA 2940-1] linux security update lists.debian.org
- [debian-lts-announce] 20220309 [SECURITY] [DLA 2941-1] linux-4.19 security update lists.debian.org
- DSA-5096 www.debian.org
- www.oracle.com www.oracle.com
- security.netapp.com security.netapp.com
Timeline
- Published
- Last modified
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