CVE-2024-53138
MediumIn the Linux kernel, the following vulnerability has been resolved: net/mlx5e: kTLS, Fix incorrect page refcounting The kTLS tx handling code is using a mix of get_page() and page_ref_inc() APIs to increment the page reference. But on the release path (mlx5e_ktls_tx_handle_resync_dump_comp()), only put_page() is used. This is an issue when using pages from large folios: the get_page() references are stored on the folio page while the page_ref_inc() references are stored directly in the given page. On release the folio page will be dereferenced too many times. This was found while doing kTLS testing with sendfile() + ZC when the served file was read from NFS on a kernel with NFS large folios support (commit 49b29a573da8 ("nfs: add support for large folios")).
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
Affected versions
Linux kernel versions
5.4
and later are affected. Fixed in
5.4.287,
5.10.231,
5.15.174,
6.1.119,
6.6.63,
6.11.10,
6.12
and their respective stable series.
References
The following references provide additional information about CVE-2024-53138 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/2723e8b2cbd486cb96e5a61b22473f7fd62e18df
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PatchKernel patch commithttps://git.kernel.org/stable/c/69fbd07f17b0fdaf8970bc705f5bf115c297839d
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PatchKernel patch commithttps://git.kernel.org/stable/c/93a14620b97c911489a5b008782f3d9b0c4aeff4
Frequently asked questions
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What is CVE-2024-53138?
CVE-2024-53138 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.4 onward and has been patched in 5.4.287, 5.10.231, 5.15.174 and others. CVE-2024-53138 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-2024-53138?
CVE-2024-53138 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H. -
Is there a patch available for CVE-2024-53138?
Yes — CVE-2024-53138 has been patched. Fixed versions include 5.4.287, 5.10.231, 5.15.174 and others. If you are running Linux kernel 5.4 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2024-53138 actively exploited?
No — CVE-2024-53138 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.