CVE-2022-50754
In the Linux kernel, the following vulnerability has been resolved: apparmor: fix a memleak in multi_transaction_new() In multi_transaction_new(), the variable t is not freed or passed out on the failure of copy_from_user(t->data, buf, size), which could lead to a memleak. Fix this bug by adding a put_multi_transaction(t) in the error path.
Affected versions
Linux kernel versions
4.13
and later are affected. Fixed in
4.14.303,
4.19.270,
5.4.229,
5.10.163,
5.15.86,
6.0.16,
6.1.2,
6.2
and their respective stable series.
References
The following references provide additional information about CVE-2022-50754 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/11d5fe7da67c3334cefc981297fd5defb78df15c
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PatchKernel patch commithttps://git.kernel.org/stable/c/3d27a436e294ac5d7a51bd5348ca63a42a468b35
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PatchKernel patch commithttps://git.kernel.org/stable/c/775a37ffa9f4681c4ad84c8634a7eec8af7098d4
Frequently asked questions
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What is CVE-2022-50754?
CVE-2022-50754 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 4.13 onward and has been patched in 4.14.303, 4.19.270, 5.4.229 and others. CVE-2022-50754 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2022-50754?
Yes — CVE-2022-50754 has been patched. Fixed versions include 4.14.303, 4.19.270, 5.4.229 and others. If you are running Linux kernel 4.13 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50754 actively exploited?
No — CVE-2022-50754 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.