CVE-2022-25636
Highnet/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.
CVSS 3.1 score
7.8
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-269CVE-2022-25636 is classified as CWE-269
See CWE-269 on MITRE CWE for full details on this weakness type.
References
The following references provide additional information about CVE-2022-25636 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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Packet Stormhttp://packetstormsecurity.com/files/166444/Kernel-Live-Patch-Security-Notice-LSN-0085-1.htmlThird Party Advisory VDB Entry
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Exploit Third Party Advisory
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Exploit Third Party Advisory
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Third Party Advisory
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Debian Securityhttps://www.debian.org/security/2022/dsa-5095Third Party Advisory
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Exploit Mailing List Third Party Advisory
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PatchKernel patch commithttp://www.openwall.com/lists/oss-security/2022/02/22/1
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PatchKernel patch commithttps://git.kernel.org/pub/scm/linux/kernel/git/netfilter/nf.git/commit/?id=b1a5983f56e371046dcf164f90bfaf704d2b89f6
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PatchKernel patch commithttps://www.oracle.com/security-alerts/cpujul2022.html
Frequently asked questions
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What is CVE-2022-25636?
CVE-2022-25636 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . CVE-2022-25636 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2022-25636?
CVE-2022-25636 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2022-25636?
No patch is currently available for CVE-2022-25636. Monitor the NIST NVD and your Linux distribution's security advisories for updates.
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Is CVE-2022-25636 actively exploited?
No — CVE-2022-25636 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.