by Kastro
Paper/Archive/CVE-2024-40999

CVE-2024-40999

Linux Linux — net: ena: Add validation for completion descriptors consistency

EPSS 0.7%CVSS 9.8
critical.is priorityof 100
40
CVSS 9.8 (CNA)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 52.1.521 × 2010.4No public exploit+100.0SSVC exploitation: none+100.0
Description · from the CVE record

In the Linux kernel, the following vulnerability has been resolved: net: ena: Add validation for completion descriptors consistency Validate that `first` flag is set only for the first descriptor in multi-buffer packets. In case of an invalid descriptor, a reset will occur. A new reset reason for RX data corruption has been added.

Affected

ProductAffectedFixed inSource
Linux1738cd3ed342294360d6a74d4e58800004bff854 – < edb9a302cc9386142beffe5d9bbe4bfd36999eeeedb9a302cc9386142beffe5d9bbe4bfd36999eeeCNA
Linux1738cd3ed342294360d6a74d4e58800004bff854 – < 42146ee5286f16f1674a84f7c274dcca65c6ff2e42146ee5286f16f1674a84f7c274dcca65c6ff2eCNA
Linux1738cd3ed342294360d6a74d4e58800004bff854 – < b37b98a3a0c1198bafe8c2d9ce0bc845b4e7a9a7b37b98a3a0c1198bafe8c2d9ce0bc845b4e7a9a7CNA
Linux4.9–CNA

Scores by source

Linux (CNA)9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
CISA ADPSSVCExploitation: none · Automatable: no · Technical impact: partial

References

refgit.kernel.org/stable/c/edb9a302cc9386142beffe5d9bbe4bfd36999eeerefgit.kernel.org/stable/c/42146ee5286f16f1674a84f7c274dcca65c6ff2erefgit.kernel.org/stable/c/b37b98a3a0c1198bafe8c2d9ce0bc845b4e7a9a7