CVE-2022-25636

Public Exploit

Description

net/netfilter/nf_dup_netdev.c in the Linux kernel 5.4 through 5.6.10 allows local users to gain privileges because of a heap out-of-bounds write. This is related to nf_tables_offload.

Category

7.8
CVSS
Severity: High
CVSS 3.1 •
CVSS 2.0 •
EPSS 0.56%
Vendor Advisory debian.org Vendor Advisory kernel.org
Affected: n/a n/a
Published at:
Updated at:

References

Link Tags
https://www.openwall.com/lists/oss-security/2022/02/21/2 mailing list third party advisory exploit
https://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git/commit/?id=b1a5983f56e371046dcf164f90bfaf704d2b89f6 patch vendor advisory
http://www.openwall.com/lists/oss-security/2022/02/22/1 patch mailing list third party advisory
https://www.debian.org/security/2022/dsa-5095 third party advisory vendor advisory
https://www.oracle.com/security-alerts/cpujul2022.html third party advisory patch
https://nickgregory.me/linux/security/2022/03/12/cve-2022-25636/ third party advisory exploit
https://github.com/Bonfee/CVE-2022-25636 third party advisory exploit
http://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.html third party advisory vdb entry
https://security.netapp.com/advisory/ntap-20220325-0002/ third party advisory

Frequently Asked Questions

What is the severity of CVE-2022-25636?
CVE-2022-25636 has been scored as a high severity vulnerability.
How to fix CVE-2022-25636?
To fix CVE-2022-25636, make sure you are using an up-to-date version of the affected component(s) by checking the vendor release notes. As for now, there are no other specific guidelines available.
Is CVE-2022-25636 being actively exploited in the wild?
It is possible that CVE-2022-25636 is being exploited or will be exploited in a near future based on public information. According to its EPSS score, there is a ~1% probability that this vulnerability will be exploited by malicious actors in the next 30 days.
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