CVE-2024-50145octeon_ep: Add SKB allocation failures handling in __octep_oq_process_rx()
- 7.5HighCVSS base score
- 0.58%Exploitation in 30 daysEPSS · top 52% 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: octeon_ep: Add SKB allocation failures handling in __octep_oq_process_rx() build_skb() returns NULL in case of a memory allocation failure so handle it inside __octep_oq_process_rx() to avoid NULL pointer dereference. __octep_oq_process_rx() is called during NAPI polling by the driver. If skb allocation fails, keep on pulling packets out of the Rx DMA queue: we shouldn't break the polling immediately and thus falsely indicate to the octep_napi_poll() that the Rx pressure is going down. As there is no associated skb in this case, don't process the packets and don't push them up the network stack - they are skipped. Helper function is implemented to unmmap/flush all the fragment buffers used by the dropped packet. 'alloc_failures' counter is incremented to mark the skb allocation error in driver statistics. Found by Linux Verification Center (linuxtesting.org) with SVACE.
Timeline
ID reserved
By Linux
- 17 days later
· 17 days later
Published
- 21 months later
· 21 months 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 | High7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/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)
- 0.58% · top 52% of all CVEs (12 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 7.5.
Affected products
- affected 37d79d0596062057f588bdbb2ebad5455a43d353 – < 09ce491112bbf0b866e2638d3e961c1c73d1f00b
- affected 37d79d0596062057f588bdbb2ebad5455a43d353 – < c2d2dc4f88bb3cfc4f3cc320fd3ff51b0ae5b0ea
- affected 37d79d0596062057f588bdbb2ebad5455a43d353 – < 2dedcb6f99f4c1a11944e7cc35dbeb9b18a5cbac
- affected 37d79d0596062057f588bdbb2ebad5455a43d353 – < eb592008f79be52ccef88cd9a5249b3fc0367278
- affected 5.19
- unaffected < 5.19
- unaffected 6.1.115 – ≤ 6.1.*
- unaffected 6.6.59 – ≤ 6.6.*
- unaffected 6.11.6 – ≤ 6.11.*
- unaffected 6.12 – ≤ *
References
References5
- https://git.kernel.org/stable/c/09ce491112bbf0b866e2638d3e961c1c73d1f00b (opens in a new tab)
- https://git.kernel.org/stable/c/c2d2dc4f88bb3cfc4f3cc320fd3ff51b0ae5b0ea (opens in a new tab)
- https://git.kernel.org/stable/c/2dedcb6f99f4c1a11944e7cc35dbeb9b18a5cbac (opens in a new tab)
- https://git.kernel.org/stable/c/eb592008f79be52ccef88cd9a5249b3fc0367278 (opens in a new tab)
- https://lists.debian.org/debian-lts-announce/2025/01/msg00001.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-2024-44647 (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-2024-50145)Record last updated .