CVE-2023-3269
Published: July 11, 2023Last modified: April 17, 2024
Description
A vulnerability exists in the memory management subsystem of the Linux kernel. The lock handling for accessing and updating virtual memory areas (VMAs) is incorrect, leading to use-after-free problems. This issue can be successfully exploited to execute arbitrary kernel code, escalate containers, and gain root privileges.
Severity score breakdown
| Parameter | Value |
|---|---|
| Base score | 7.8 |
| Attack Vector | LOCAL |
| Attack complexity | LOW |
| Privileges required | LOW |
| User interaction | NONE |
| Scope | UNCHANGED |
| Confidentiality | HIGH |
| Integrity impact | HIGH |
| Availability impact | HIGH |
| Vector | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
Status
| Product | Release | Package | Status |
|---|---|---|---|
| Alpaquita Linux | Stream | linux-lts | Fixed (6.1.38-r0) |
References
- http://seclists.org/fulldisclosure/2023/Jul/43
- http://www.openwall.com/lists/oss-security/2023/07/28/1
- http://www.openwall.com/lists/oss-security/2023/08/25/1
- http://www.openwall.com/lists/oss-security/2023/08/25/4
- https://access.redhat.com/security/cve/CVE-2023-3269
- https://bugzilla.redhat.com/show_bug.cgi?id=2215268
- https://lists.fedoraproject.org/archives/list/[email protected]/message/U6AAA64CUPSMBW6XDTXPQJ3KQWYQ4K7L/
- https://security.netapp.com/advisory/ntap-20230908-0001/
- https://www.openwall.com/lists/oss-security/2023/07/05/1