CVE-2023-5972
Kernel: the nfta_inner_num and nfta_expr_name netlink attributes accessed without checking its presence in nft_inner.c
CVSS Score
7.0
EPSS Score
0.0%
EPSS Percentile
0th
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.
| CWE | CWE-476 |
| Vendor | n/a |
| Product | kernel |
| Published | Nov 23, 2023 |
| Last Updated | Aug 2, 2024 |
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CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H Attack Vector
Local
Attack Complexity
High
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Affected Versions
n/a / kernel
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Fedora / Fedora
All versions affected References
access.redhat.com: https://access.redhat.com/security/cve/CVE-2023-5972 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2248189 github.com: https://github.com/torvalds/linux/commit/505ce0630ad5d31185695f8a29dde8d29f28faa7 github.com: https://github.com/torvalds/linux/commit/52177bbf19e6e9398375a148d2e13ed492b40b80
Credits
Red Hat would like to thank Xingyuan Mo (IceSword Lab) for reporting this issue.