CVE-2022-50877
In the Linux kernel, the following vulnerability has been resolved: net: broadcom: bcm4908_enet: update TX stats after actual transmission Queueing packets doesn't guarantee their transmission. Update TX stats after hardware confirms consuming submitted data. This also fixes a possible race and NULL dereference. bcm4908_enet_start_xmit() could try to access skb after freeing it in the bcm4908_enet_poll_tx().
Affected versions
Linux kernel versions
5.12
and later are affected. Fixed in
5.15.77,
6.0.7,
6.1
and their respective stable series.
References
The following references provide additional information about CVE-2022-50877 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/2adedc80faec243ede55355e57142110d6f46e08
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PatchKernel patch commithttps://git.kernel.org/stable/c/c9589e18a60c55c76772a38117ef9a16b942e56b
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PatchKernel patch commithttps://git.kernel.org/stable/c/ef3556ee16c68735ec69bd08df41d1cd83b14ad3
Frequently asked questions
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What is CVE-2022-50877?
CVE-2022-50877 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.12 onward and has been patched in 5.15.77, 6.0.7 and 6.1. CVE-2022-50877 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-2022-50877?
Yes — CVE-2022-50877 has been patched. Fixed versions include 5.15.77, 6.0.7 and 6.1. If you are running Linux kernel 5.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-50877 actively exploited?
No — CVE-2022-50877 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.