Vulnerability Details : CVE-2023-5972
A null pointer dereference flaw was found in the nft_inner.c functionality of netfilter in the Linux kernel. This issue could allow a local user to crash the system or escalate their privileges on the system.
Vulnerability category: Memory Corruption
Products affected by CVE-2023-5972
- cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2.0:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2.0:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2:rc7:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2:rc8:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2.0:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2.0:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2.0:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.2.0:rc6:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.6:rc1:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.6:rc2:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.6:rc3:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.6:rc4:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.6:rc5:*:*:*:*:*:*
- cpe:2.3:o:linux:linux_kernel:6.6:rc6:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:39:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2023-5972
0.04%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 6 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2023-5972
Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
---|---|---|---|---|---|---|
7.8
|
HIGH | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST | |
7.0
|
HIGH | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.0
|
5.9
|
Red Hat, Inc. |
CWE ids for CVE-2023-5972
-
The product dereferences a pointer that it expects to be valid but is NULL.Assigned by:
- nvd@nist.gov (Primary)
- secalert@redhat.com (Secondary)
References for CVE-2023-5972
-
https://access.redhat.com/security/cve/CVE-2023-5972
CVE-2023-5972- Red Hat Customer PortalThird Party Advisory
-
https://bugzilla.redhat.com/show_bug.cgi?id=2248189
2248189 – (CVE-2023-5972) CVE-2023-5972 kernel: The NFTA_INNER_NUM and NFTA_EXPR_NAME netlink attributes accessed without checking its presence in nft_inner.cIssue Tracking;Patch
-
https://github.com/torvalds/linux/commit/505ce0630ad5d31185695f8a29dde8d29f28faa7
nf_tables: fix NULL pointer dereference in nft_expr_inner_parse() · torvalds/linux@505ce06 · GitHubPatch
-
https://github.com/torvalds/linux/commit/52177bbf19e6e9398375a148d2e13ed492b40b80
nf_tables: fix NULL pointer dereference in nft_inner_init() · torvalds/linux@52177bb · GitHubPatch
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