CVE-2024-35958net: ena: Fix incorrect descriptor free behavior
- 7.8HighCVSS base score
- 0.26%Exploitation in 30 daysEPSS · top 82% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
In the Linux kernel, the following vulnerability has been resolved: net: ena: Fix incorrect descriptor free behavior ENA has two types of TX queues: - queues which only process TX packets arriving from the network stack - queues which only process TX packets forwarded to it by XDP_REDIRECT or XDP_TX instructions The ena_free_tx_bufs() cycles through all descriptors in a TX queue and unmaps + frees every descriptor that hasn't been acknowledged yet by the device (uncompleted TX transactions). The function assumes that the processed TX queue is necessarily from the first category listed above and ends up using napi_consume_skb() for descriptors belonging to an XDP specific queue. This patch solves a bug in which, in case of a VF reset, the descriptors aren't freed correctly, leading to crashes.
Timeline
ID reserved
By Linux
- 3 days later
· 3 days later
Published
- 2 years later
· 2 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| LinuxCNA (assigner) | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
| CISA-ADPADP (enrichment) | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
| NVDNVD · Modified | 3.1 | Medium5.5 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H |
- EPSS (exploitation in 30 days)
- 0.26% · top 82% of all CVEs (15 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 7.8.
Affected products
- affected 548c4940b9f1f527f81509468dd60b61418880b6 – < b26aa765f7437e1bbe8db4c1641b12bd5dd378f0
- affected 548c4940b9f1f527f81509468dd60b61418880b6 – < fdfbf54d128ab6ab255db138488f9650485795a2
- affected 548c4940b9f1f527f81509468dd60b61418880b6 – < 19ff8fed3338898b70b2aad831386c78564912e1
- affected 548c4940b9f1f527f81509468dd60b61418880b6 – < 5c7f2240d9835a7823d87f7460d8eae9f4e504c7
- affected 548c4940b9f1f527f81509468dd60b61418880b6 – < c31baa07f01307b7ae05f3ce32b89d8e2ba0cc1d
- affected 548c4940b9f1f527f81509468dd60b61418880b6 – < bf02d9fe00632d22fa91d34749c7aacf397b6cde
- affected 5.6
- unaffected < 5.6
- unaffected 5.10.216 – ≤ 5.10.*
- unaffected 5.15.156 – ≤ 5.15.*
- unaffected 6.1.87 – ≤ 6.1.*
- unaffected 6.6.28 – ≤ 6.6.*
- unaffected 6.8.7 – ≤ 6.8.*
- unaffected 6.9 – ≤ *
References
References9
- https://git.kernel.org/stable/c/b26aa765f7437e1bbe8db4c1641b12bd5dd378f0 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/fdfbf54d128ab6ab255db138488f9650485795a2 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/19ff8fed3338898b70b2aad831386c78564912e1 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/5c7f2240d9835a7823d87f7460d8eae9f4e504c7 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/c31baa07f01307b7ae05f3ce32b89d8e2ba0cc1d (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/bf02d9fe00632d22fa91d34749c7aacf397b6cde (opens in a new tab)x_transferred
- https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html (opens in a new tab)x_transferred
- https://cert-portal.siemens.com/productcert/html/ssa-265688.html (opens in a new tab)
- https://cert-portal.siemens.com/productcert/html/ssa-613116.html (opens in a new tab)
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2024-35676 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2024-35958)Record last updated .