CVE-2023-5972: Kernel: the nfta_inner_num and nfta_expr_name netlink attributes accessed without checking its presence in nft_inner.c
First published: Mon Nov 06 2023(Updated: )
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.
Credit: secalert@redhat.com secalert@redhat.com
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Linux Linux kernel | >=6.2.1<=6.5.10 | |
| Linux Linux kernel | =6.2-rc1 | |
| Linux Linux kernel | =6.2-rc2 | |
| Linux Linux kernel | =6.2-rc3 | |
| Linux Linux kernel | =6.2-rc4 | |
| Linux Linux kernel | =6.2-rc5 | |
| Linux Linux kernel | =6.2-rc6 | |
| Linux Linux kernel | =6.2-rc7 | |
| Linux Linux kernel | =6.2-rc8 | |
| Linux Linux kernel | =6.2.0-rc1 | |
| Linux Linux kernel | =6.2.0-rc2 | |
| Linux Linux kernel | =6.2.0-rc3 | |
| Linux Linux kernel | =6.2.0-rc4 | |
| Linux Linux kernel | =6.2.0-rc5 | |
| Linux Linux kernel | =6.2.0-rc6 | |
| Linux Linux kernel | =6.6-rc1 | |
| Linux Linux kernel | =6.6-rc2 | |
| Linux Linux kernel | =6.6-rc3 | |
| Linux Linux kernel | =6.6-rc4 | |
| Linux Linux kernel | =6.6-rc5 | |
| Linux Linux kernel | =6.6-rc6 | |
| Fedoraproject Fedora | =39 | |
| debian/linux | 5.10.223-1 5.10.226-1 6.1.115-1 6.1.112-1 6.11.5-1 6.11.7-1 |
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Reference Links
- https://access.redhat.com/security/cve/CVE-2023-5972
- https://bugzilla.redhat.com/show_bug.cgi?id=2248189
- https://github.com/torvalds/linux/commit/505ce0630ad5d31185695f8a29dde8d29f28faa7
- https://github.com/torvalds/linux/commit/52177bbf19e6e9398375a148d2e13ed492b40b80
- https://launchpad.net/bugs/cve/CVE-2023-5972
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2251249
- https://git.kernel.org/linus/505ce0630ad5d31185695f8a29dde8d29f28faa7
- https://git.kernel.org/linus/52177bbf19e6e9398375a148d2e13ed492b40b80
- https://security-tracker.debian.org/tracker/CVE-2023-5972
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-5972
- https://nvd.nist.gov/vuln/detail/CVE-2023-5972
- https://ubuntu.com/security/CVE-2023-5972
Frequently Asked Questions
What is the vulnerability ID of this issue?
The vulnerability ID is CVE-2023-5972.
What is the severity of CVE-2023-5972?
The severity of CVE-2023-5972 is high.
How does CVE-2023-5972 affect the system?
CVE-2023-5972 can allow a local user to crash the system or escalate their privileges.
What software is affected by CVE-2023-5972?
The Linux kernel versions 6.2.1 to 6.5.10, 6.2-rc1 to 6.2-rc8, 6.2.0-rc1 to 6.2.0-rc6, and 6.6-rc1 to 6.6-rc6 are affected by CVE-2023-5972.
How can the CVE-2023-5972 vulnerability be fixed?
Apply the latest patches and updates provided by the Linux kernel maintainers.
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