high7.8
CVE-2022-4283
A vulnerability was found in X.Org.
Impact
A vulnerability was found in X.Org. This security flaw occurs because the XkbCopyNames function left a dangling pointer to freed memory, resulting in out-of-bounds memory access on subsequent XkbGetKbdByName requests.. This issue can lead to local privileges elevation on systems where the X server is running privileged and remote code execution for ssh X forwarding sessions.
Affected products
| Vendor | Product | Affected versions |
|---|---|---|
| X.Org | X Server | Version 1.20.4 |
| Fedoraproject | Fedora | Versions 36, 37 |
| Redhat | Enterprise Linux | Versions 6.0, 7.0, 8.0, 9.0 |
| Debian | Debian Linux | Version 11.0 |
Weakness classification
References
- NVD record
- CVE.org record
- https://access.redhat.com/security/cve/CVE-2022-4283
- https://bugzilla.redhat.com/show_bug.cgi?id=2151761
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5NELB7YDWRABYYBG4UPTHRBDTKJRV5M2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DXDF2O5PPLE3SVAJJYUOSAD5QZ4TWQ2G/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z67QC4C3I2FI2WRFIUPEHKC36J362MLA/
- https://security.gentoo.org/glsa/202305-30
- https://www.debian.org/security/2022/dsa-5304
- https://access.redhat.com/security/cve/CVE-2022-4283
- https://bugzilla.redhat.com/show_bug.cgi?id=2151761
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5NELB7YDWRABYYBG4UPTHRBDTKJRV5M2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DXDF2O5PPLE3SVAJJYUOSAD5QZ4TWQ2G/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Z67QC4C3I2FI2WRFIUPEHKC36J362MLA/
- https://security.gentoo.org/glsa/202305-30
- https://www.debian.org/security/2022/dsa-5304