CVE-2023-3212
Vulnerability Summary
Timeline
Description
A NULL pointer dereference issue was found in the gfs2 file system in the Linux kernel. It occurs on corrupt gfs2 file systems when the evict code tries to reference the journal descriptor structure after it has been freed and set to NULL. A privileged local user could use this flaw to cause a kernel panic.
CVSS Metrics
- v3.1•MEDIUM•Score: 4.4CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.26%• Percentile: 18%
Techniques & Countermeasures
- CWE-476•NULL Pointer Dereference
The product dereferences a pointer that it expects to be valid but is NULL.
Affected Systems
- debian•linux
< 5.10.191-1 | < 6.1.37-1 | < 6.3.7-1 | < 6.3.7-1
- ubuntu•linux
all | < 4.4.0-245.279 | < 4.15.0-218.229 | < 5.4.0-164.181 | < 5.15.0-83.92
- ubuntu•linux-allwinner-5.19
all
- ubuntu•linux-aws
< 4.4.0-1123.129 | < 4.4.0-1161.176 | < 4.15.0-1161.174 | < 5.4.0-1111.120 | < 5.15.0-1044.49
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1044.49~20.04.1
- ubuntu•linux-aws-5.19
all
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1111.120~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-6.2
< 6.2.0-1013.13~22.04.1
- ubuntu•linux-aws-fips
< 4.15.0-2100.106 | all | < 5.4.0-1111.120+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1161.174~16.04.1
- ubuntu•linux-azure
< 4.15.0-1170.185~14.04.1 | < 4.15.0-1170.185~16.04.1 | all | < 5.4.0-1117.124 | < 5.15.0-1046.53
- ubuntu•linux-azure-4.15
< 4.15.0-1170.185
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1046.53~20.04.1
- ubuntu•linux-azure-5.19
all
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1117.124~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-6.2
< 6.2.0-1014.14~22.04.1
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
all | < 5.15.0-1046.53.1
- ubuntu•linux-azure-fde-5.19
all
- ubuntu•linux-azure-fde-6.2
< 6.2.0-1014.14~22.04.1.1
- ubuntu•linux-azure-fips
< 4.15.0-2079.85 | all | < 5.4.0-1117.124+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1072.78 | < 5.15.0-1023.25
- ubuntu•linux-fips
< 4.4.0-1093.100 | all | < 4.15.0-1116.127 | < 5.4.0-1086.95
- ubuntu•linux-gcp
< 4.15.0-1155.172~16.04.1 | all | < 5.4.0-1115.124 | < 5.15.0-1041.49
- ubuntu•linux-gcp-4.15
< 4.15.0-1155.172
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1041.49~20.04.1
- ubuntu•linux-gcp-5.19
all
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1115.124~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-6.2
< 6.2.0-1016.18~22.04.1
- ubuntu•linux-gcp-fips
< 4.15.0-2063.68 | all | < 5.4.0-1115.124+fips1
- ubuntu•linux-gke
all | < 5.15.0-1041.46
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
all
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
< 5.4.0-1078.82 | < 5.15.0-1027.32
- ubuntu•linux-gkeop-5.15
< 5.15.0-1027.32~20.04.1
- ubuntu•linux-gkeop-5.4
all
Showing first 50 affected entries in server-rendered view.
References (25)
- https://bugzilla.redhat.com/show_bug.cgi?id=2214348
- https://github.com/torvalds/linux/commit/504a10d9e46bc37b23d0a1ae2f28973c8516e636
- https://www.debian.org/security/2023/dsa-5448
- https://www.debian.org/security/2023/dsa-5480
- https://security.netapp.com/advisory/ntap-20230929-0005/
- https://lists.debian.org/debian-lts-announce/2023/10/msg00027.html
- https://lists.debian.org/debian-lts-announce/2024/01/msg00004.html
- https://ubuntu.com/security/CVE-2023-3212
- https://git.kernel.org/linus/504a10d9e46bc37b23d0a1ae2f28973c8516e636
- https://ubuntu.com/security/notices/USN-6231-1
- https://ubuntu.com/security/notices/USN-6339-1
- https://ubuntu.com/security/notices/USN-6350-1
- https://ubuntu.com/security/notices/USN-6351-1
- https://ubuntu.com/security/notices/USN-6339-2
- https://ubuntu.com/security/notices/USN-6339-3
- https://ubuntu.com/security/notices/USN-6339-4
- https://ubuntu.com/security/notices/USN-6388-1
- https://ubuntu.com/security/notices/USN-6396-1
- https://ubuntu.com/security/notices/USN-6412-1
- https://ubuntu.com/security/notices/USN-6417-1
- https://ubuntu.com/security/notices/USN-6396-2
- https://ubuntu.com/security/notices/USN-6396-3
- https://ubuntu.com/security/notices/USN-6466-1
- https://www.cve.org/CVERecord?id=CVE-2023-3212
- https://security-tracker.debian.org/tracker/CVE-2023-3212