CVE-2024-50001
MediumIn the Linux kernel, the following vulnerability has been resolved: net/mlx5: Fix error path in multi-packet WQE transmit Remove the erroneous unmap in case no DMA mapping was established The multi-packet WQE transmit code attempts to obtain a DMA mapping for the skb. This could fail, e.g. under memory pressure, when the IOMMU driver just can't allocate more memory for page tables. While the code tries to handle this in the path below the err_unmap label it erroneously unmaps one entry from the sq's FIFO list of active mappings. Since the current map attempt failed this unmap is removing some random DMA mapping that might still be required. If the PCI function now presents that IOVA, the IOMMU may assumes a rogue DMA access and e.g. on s390 puts the PCI function in error state. The erroneous behavior was seen in a stress-test environment that created memory pressure.
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
Weakness type
CWE-755CVE-2024-50001 is classified as CWE-755
See CWE-755 on MITRE CWE for full details on this weakness type.
Affected versions
Linux kernel versions
5.10
and later are affected. Fixed in
5.10.227,
5.15.168,
6.1.113,
6.6.55,
6.10.14,
6.11.3,
6.12
and their respective stable series.
References
The following references provide additional information about CVE-2024-50001 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/26fad69b34fcba80d5c7d9e651f628e6ac927754
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PatchKernel patch commithttps://git.kernel.org/stable/c/2bcae12c795f32ddfbf8c80d1b5f1d3286341c32
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PatchKernel patch commithttps://git.kernel.org/stable/c/8bb8c12fb5e2b1f03d603d493c92941676f109b5
Frequently asked questions
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What is CVE-2024-50001?
CVE-2024-50001 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.10 onward and has been patched in 5.10.227, 5.15.168, 6.1.113 and others. CVE-2024-50001 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-2024-50001?
CVE-2024-50001 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-2024-50001?
Yes — CVE-2024-50001 has been patched. Fixed versions include 5.10.227, 5.15.168, 6.1.113 and others. If you are running Linux kernel 5.10 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2024-50001 actively exploited?
No — CVE-2024-50001 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.