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CVE-2023-52846hsr: Prevent use after free in prp_create_tagged_frame()
- 8.8HighCVSS base score
- 0.34%Exploitation in 30 daysEPSS · top 71% 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: hsr: Prevent use after free in prp_create_tagged_frame() The prp_fill_rct() function can fail. In that situation, it frees the skb and returns NULL. Meanwhile on the success path, it returns the original skb. So it's straight forward to fix bug by using the returned value.
Timeline
ID reserved
By Linux
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 | High8.8 | CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVDNVD · Modified | 3.1 | High7.8 | CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 0.34% · top 71% of all CVEs (12 Nov 2026)
- CISA SSVC
- Exploitation: none · Automatable: no · Technical impact: partial
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Affected products
- affected 451d8123f89791bb628277c0bdb4cae34a3563e6 – < ddf4e04e946aaa6c458b8b6829617cc44af2bffd
- affected 451d8123f89791bb628277c0bdb4cae34a3563e6 – < a1a485e45d24b1cd8fe834fd6f1b06e2903827da
- affected 451d8123f89791bb628277c0bdb4cae34a3563e6 – < 6086258bd5ea7b5c706ff62da42b8e271b2401db
- affected 451d8123f89791bb628277c0bdb4cae34a3563e6 – < 1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18
- affected 451d8123f89791bb628277c0bdb4cae34a3563e6 – < d103fb6726904e353b4773188ee3d3acb4078363
- affected 451d8123f89791bb628277c0bdb4cae34a3563e6 – < 876f8ab52363f649bcc74072157dfd7adfbabc0d
- affected 5.9
- unaffected < 5.9
- unaffected 5.10.201 – ≤ 5.10.*
- unaffected 5.15.139 – ≤ 5.15.*
- unaffected 6.1.63 – ≤ 6.1.*
- unaffected 6.5.12 – ≤ 6.5.*
- unaffected 6.6.2 – ≤ 6.6.*
- unaffected 6.7 – ≤ *
References
References6
- https://git.kernel.org/stable/c/ddf4e04e946aaa6c458b8b6829617cc44af2bffd (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/a1a485e45d24b1cd8fe834fd6f1b06e2903827da (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/6086258bd5ea7b5c706ff62da42b8e271b2401db (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/1787b9f0729d318d67cf7c5a95f0c3dba9a7cc18 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/d103fb6726904e353b4773188ee3d3acb4078363 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/876f8ab52363f649bcc74072157dfd7adfbabc0d (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-2023-59559 (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-2023-52846)Record last updated .