CVE-2023-1095
Vulnerability Summary
Timeline
Description
In nf_tables_updtable, if nf_tables_table_enable returns an error, nft_trans_destroy is called to free the transaction object. nft_trans_destroy() calls list_del(), but the transaction was never placed on a list -- the list head is all zeroes, this results in a NULL pointer dereference.
CVSS Metrics
- v3.1•MEDIUM•Score: 5.5CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS Trends
Current EPSS score: 0.21%• Percentile: 12%
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
< 5.10.140-1 | < 5.19.6-1 | < 5.19.6-1 | < 5.19.6-1
- ubuntu•linux
< 4.4.0-239.273 | < 4.15.0-197.208 | < 5.4.0-132.148 | < 5.15.0-53.59
- ubuntu•linux-aws
< 4.4.0-1117.123 | < 4.4.0-1155.170 | < 4.15.0-1143.155 | < 5.4.0-1089.97 | < 5.15.0-1023.27
- ubuntu•linux-aws-5.0
all
- ubuntu•linux-aws-5.11
all
- ubuntu•linux-aws-5.13
all
- ubuntu•linux-aws-5.15
< 5.15.0-1023.27~20.04.1
- ubuntu•linux-aws-5.3
all
- ubuntu•linux-aws-5.4
< 5.4.0-1089.97~18.04.1
- ubuntu•linux-aws-5.8
all
- ubuntu•linux-aws-fips
< 4.15.0-2082.88 | all | < 5.4.0-1089.97+fips1
- ubuntu•linux-aws-hwe
< 4.15.0-1143.155~16.04.1
- ubuntu•linux-azure
< 4.15.0-1157.172~14.04.2 | < 4.15.0-1159.174~16.04.1 | all | < 5.4.0-1095.101 | < 5.15.0-1023.29
- ubuntu•linux-azure-4.15
< 4.15.0-1157.172
- ubuntu•linux-azure-5.11
all
- ubuntu•linux-azure-5.13
all
- ubuntu•linux-azure-5.15
< 5.15.0-1023.29~20.04.1
- ubuntu•linux-azure-5.3
all
- ubuntu•linux-azure-5.4
< 5.4.0-1095.101~18.04.1
- ubuntu•linux-azure-5.8
all
- ubuntu•linux-azure-edge
all
- ubuntu•linux-azure-fde
< 5.15.0-1024.30.1
- ubuntu•linux-azure-fips
< 4.15.0-2066.72 | all | < 5.4.0-1095.101+fips1
- ubuntu•linux-bluefield
all | < 5.4.0-1050.56
- ubuntu•linux-dell300x
< 4.15.0-1055.60
- ubuntu•linux-fips
< 4.4.0-1088.95 | all | < 4.15.0-1100.111 | < 5.4.0-1065.74
- ubuntu•linux-gcp
< 4.15.0-1138.154~16.04.1 | all | < 5.4.0-1093.102 | < 5.15.0-1022.29
- ubuntu•linux-gcp-4.15
< 4.15.0-1138.154
- ubuntu•linux-gcp-5.11
all
- ubuntu•linux-gcp-5.13
all
- ubuntu•linux-gcp-5.15
< 5.15.0-1022.29~20.04.1
- ubuntu•linux-gcp-5.3
all
- ubuntu•linux-gcp-5.4
< 5.4.0-1093.102~18.04.1
- ubuntu•linux-gcp-5.8
all
- ubuntu•linux-gcp-fips
< 4.15.0-2047.52 | all | < 5.4.0-1093.102+fips1
- ubuntu•linux-gke
< 5.4.0-1087.94 | < 5.15.0-1020.25
- ubuntu•linux-gke-4.15
all
- ubuntu•linux-gke-5.15
< 5.15.0-1020.25~20.04.1
- ubuntu•linux-gke-5.4
all
- ubuntu•linux-gkeop
< 5.4.0-1057.61 | < 5.15.0-1008.12
- ubuntu•linux-gkeop-5.15
< 5.15.0-1008.12~20.04.1
- ubuntu•linux-gkeop-5.4
all
- ubuntu•linux-hwe
< 4.15.0-197.208~16.04.1 | all
- ubuntu•linux-hwe-5.11
all
- ubuntu•linux-hwe-5.13
all
- ubuntu•linux-hwe-5.15
< 5.15.0-53.59~20.04.1
- ubuntu•linux-hwe-5.4
< 5.4.0-132.148~18.04.1
- ubuntu•linux-hwe-5.8
all
- ubuntu•linux-hwe-edge
all | all
- ubuntu•linux-ibm
< 5.4.0-1037.42 | < 5.15.0-1018.21
Showing first 50 affected entries in server-rendered view.
References (10)
- https://bugzilla.redhat.com/show_bug.cgi?id=2173973
- https://github.com/torvalds/linux/commit/580077855a40741cf511766129702d97ff02f4d9
- https://ubuntu.com/security/CVE-2023-1095
- https://git.kernel.org/linus/580077855a40741cf511766129702d97ff02f4d9
- https://ubuntu.com/security/notices/USN-6001-1
- https://ubuntu.com/security/notices/USN-6013-1
- https://ubuntu.com/security/notices/USN-6014-1
- https://ubuntu.com/security/notices/USN-6031-1
- https://www.cve.org/CVERecord?id=CVE-2023-1095
- https://security-tracker.debian.org/tracker/CVE-2023-1095