CVE-2022-29581
Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.
02 / AFFECTED SOFTWARE
Affected packages
1 explicit affected versions
213 explicit affected versions
03 / CONNECTIONS
Connected vulnerabilities
04 / EVIDENCE
Source records
In u32_destroy_key and related functions of cls_u32.c, there is a possible way to corrupt memory due to a use after free. This could lead to local escalation of privilege with no additional execution privileges needed. User interaction is not needed for exploitation.
Improper Update of Reference Count vulnerability in net/sched of Linux Kernel allows local attacker to cause privilege escalation to root. This issue affects: Linux Kernel versions prior to 5.18; version 4.14 and later versions.
05 / REFERENCES
Further evidence
- https://android.googlesource.com/kernel/common/+/b5a54d8de219f9affbd98e94ccdbaa7781e7a555
- https://source.android.com/security/bulletin/2022-08-01
- http://packetstormsecurity.com/files/167386/Kernel-Live-Patch-Security-Notice-LSN-0086-1.html
- http://packetstormsecurity.com/files/168191/Kernel-Live-Patch-Security-Notice-LSN-0089-1.html
- http://www.openwall.com/lists/oss-security/2022/05/18/2
- https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=3db09e762dc79584a69c10d74a6b98f89a9979f8
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/29xxx/CVE-2022-29581.json
- https://kernel.dance/#3db09e762dc79584a69c10d74a6b98f89a9979f8
- https://nvd.nist.gov/vuln/detail/CVE-2022-29581
- https://security.netapp.com/advisory/ntap-20220629-0005/
- https://www.debian.org/security/2022/dsa-5173