CVE-2022-49919
HighIn the Linux kernel, the following vulnerability has been resolved: netfilter: nf_tables: release flow rule object from commit path No need to postpone this to the commit release path, since no packets are walking over this object, this is accessed from control plane only. This helped uncovered UAF triggered by races with the netlink notifier.
CVSS 3.1 score
7.0
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness type
CWE-362CVE-2022-49919 is a Race Condition vulnerability
What is Race Condition?
The product contains a code sequence that can run concurrently with other code, creating unexpected states. Learn more on MITRE CWE
Affected versions
Linux kernel versions
5.4.198,
5.10.122,
5.15.47,
5.17.15,
5.18.4,
5.19
and later are affected. Fixed in
5.4.224,
5.10.154,
5.15.78,
6.0.8,
6.1
and their respective stable series.
References
The following references provide additional information about CVE-2022-49919 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/26b5934ff4194e13196bedcba373cd4915071d0e
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PatchKernel patch commithttps://git.kernel.org/stable/c/4ab6f96444e936f5e4a936d5c0bc948144bcded3
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PatchKernel patch commithttps://git.kernel.org/stable/c/6044791b7be707fd0e709f26e961a446424e5051
Frequently asked questions
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What is CVE-2022-49919?
CVE-2022-49919 is a High severity Linux kernel vulnerability with a CVSS score of 7.0 out of 10 , classified as a Race Condition flaw (CWE-362) . It affects Linux kernel versions from 5.4.198 onward and has been patched in 5.4.224, 5.10.154, 5.15.78 and others. CVE-2022-49919 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-2022-49919?
CVE-2022-49919 has a CVSS score of 7.0 out of 10, rated High severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H. -
Is there a patch available for CVE-2022-49919?
Yes — CVE-2022-49919 has been patched. Fixed versions include 5.4.224, 5.10.154, 5.15.78 and others. If you are running Linux kernel 5.4.198 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-49919 actively exploited?
No — CVE-2022-49919 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.
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What is Race Condition (CWE-362)?
The product contains a code sequence that can run concurrently with other code, creating unexpected states. View CWE-362 on MITRE CWE →