CVE-2023-52687crypto: safexcel - Add error handling for dma_map_sg() calls
- 9.8CriticalCVSS base score
- 0.60%Exploitation in 30 daysEPSS · top 51% 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: crypto: safexcel - Add error handling for dma_map_sg() calls Macro dma_map_sg() may return 0 on error. This patch enables checks in case of the macro failure and ensures unmapping of previously mapped buffers with dma_unmap_sg(). Found by Linux Verification Center (linuxtesting.org) with static analysis tool SVACE.
Timeline
ID reserved
By Linux
- 2 months later
· 2 months 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 | Critical9.8 | CVSS:3.1/AV:N/AC:L/PR:N/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)
- 0.60% · top 51% 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: Critical 9.8.
Affected products
- affected 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1 – < 4c0ac81a172a69a7733290915276672787e904ec
- affected 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1 – < 8084b788c2fb1260f7d44c032d5124680b20d2b2
- affected 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1 – < fc0b785802b856566df3ac943e38a072557001c4
- affected 49186a7d9e46ff132a0ed9b721ad6b6a58dba6c1 – < 87e02063d07708cac5bfe9fd3a6a242898758ac8
- affected 6.1
- unaffected < 6.1
- unaffected 6.1.75 – ≤ 6.1.*
- unaffected 6.6.14 – ≤ 6.6.*
- unaffected 6.7.2 – ≤ 6.7.*
- unaffected 6.8 – ≤ *
References
References4
- https://git.kernel.org/stable/c/4c0ac81a172a69a7733290915276672787e904ec (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/8084b788c2fb1260f7d44c032d5124680b20d2b2 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/fc0b785802b856566df3ac943e38a072557001c4 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/87e02063d07708cac5bfe9fd3a6a242898758ac8 (opens in a new tab)x_transferred
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-2023-57311 (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-2023-52687)Record last updated .