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CVE-2023-52607
powerpc/mm: Fix null-pointer dereference in pgtable_cache_add
Medium5.5EPSS 0.23%
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: powerpc/mm: Fix null-pointer dereference in pgtable_cache_add kasprintf() returns a pointer to dynamically allocated memory which can be NULL upon failure. Ensure the allocation was successful by checking the pointer validity.
Timeline
ID reserved
By Linux
- 4 days later
· 4 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 |
|---|---|---|---|
| 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 · Analyzed | 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)
- 0.23% · top 86% of all CVEs (7 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: Medium 5.5.
Weakness
Affected products
- affected a0668cdc154e54bf0c85182e0535eea237d53146 – < 21e45a7b08d7cd98d6a53c5fc5111879f2d96611
- affected a0668cdc154e54bf0c85182e0535eea237d53146 – < f6781add1c311c17eff43e14c786004bbacf901e
- affected a0668cdc154e54bf0c85182e0535eea237d53146 – < aa28eecb43cac6e20ef14dfc50b8892c1fbcda5b
- affected a0668cdc154e54bf0c85182e0535eea237d53146 – < ac3ed969a40357b0542d20f096a6d43acdfa6cc7
- affected a0668cdc154e54bf0c85182e0535eea237d53146 – < d482d61025e303a2bef3733a011b6b740215cfa1
- affected a0668cdc154e54bf0c85182e0535eea237d53146 – < 145febd85c3bcc5c74d87ef9a598fc7d9122d532
- affected a0668cdc154e54bf0c85182e0535eea237d53146 – < ffd29dc45bc0355393859049f6becddc3ed08f74
- affected a0668cdc154e54bf0c85182e0535eea237d53146 – < f46c8a75263f97bda13c739ba1c90aced0d3b071
- affected 2.6.33
- unaffected < 2.6.33
- unaffected 4.19.307 – ≤ 4.19.*
- unaffected 5.4.269 – ≤ 5.4.*
- unaffected 5.10.210 – ≤ 5.10.*
- unaffected 5.15.149 – ≤ 5.15.*
- unaffected 6.1.77 – ≤ 6.1.*
- unaffected 6.6.16 – ≤ 6.6.*
- unaffected 6.7.4 – ≤ 6.7.*
- unaffected 6.8 – ≤ *
References (9)
- https://git.kernel.org/stable/c/21e45a7b08d7cd98d6a53c5fc5111879f2d96611 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/f6781add1c311c17eff43e14c786004bbacf901e (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/aa28eecb43cac6e20ef14dfc50b8892c1fbcda5b (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/ac3ed969a40357b0542d20f096a6d43acdfa6cc7 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/d482d61025e303a2bef3733a011b6b740215cfa1 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/145febd85c3bcc5c74d87ef9a598fc7d9122d532 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/ffd29dc45bc0355393859049f6becddc3ed08f74 (opens in a new tab)x_transferred
- https://git.kernel.org/stable/c/f46c8a75263f97bda13c739ba1c90aced0d3b071 (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
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)
- 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://trackcve.app/cve/CVE-2023-52607)Record last updated .