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CVE-2026-43148powerpc/smp: Add check for kcalloc() failure in parse_thread_groups()
- 5.5MediumCVSS base score
- 0.13%Exploitation in 30 daysEPSS · top 98% 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: powerpc/smp: Add check for kcalloc() failure in parse_thread_groups() As kcalloc() may fail, check its return value to avoid a NULL pointer dereference when passing it to of_property_read_u32_array().
Timeline
ID reserved
By Linux
- 5 days later
· 5 days later
Published
- 6 months later
· 6 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 |
|---|---|---|---|
| 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)
- 0.13% · top 98% 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: Medium 5.5.
Affected products
- affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 – < 1de31dba19c3cd0c1caf388a286b46df638f0b91
- affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 – < b265e53d9adfbb5751713185843f7188aa9dd066
- affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 – < 9d0ca11258e7b452653d04310addfec1753de1a2
- affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 – < ca46d2092f307385a7acfb42632056570d6dbbbc
- affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 – < 9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72
- affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 – < 8b221db0b7d24675e465e98d9326d298025a4e8d
- affected 790a1662d3a26fe9fa5f691386d8fde6bb8b0dc2 – < 33c1c6d8a28a2761ac74b0380b2563cf546c2a3a
- affected 5.11
- unaffected < 5.11
- unaffected 5.15.202 – ≤ 5.15.*
- unaffected 6.1.165 – ≤ 6.1.*
- unaffected 6.6.128 – ≤ 6.6.*
- unaffected 6.12.75 – ≤ 6.12.*
- unaffected 6.18.16 – ≤ 6.18.*
- unaffected 6.19.6 – ≤ 6.19.*
- unaffected 7.0 – ≤ *
References
References7
- https://git.kernel.org/stable/c/1de31dba19c3cd0c1caf388a286b46df638f0b91 (opens in a new tab)
- https://git.kernel.org/stable/c/b265e53d9adfbb5751713185843f7188aa9dd066 (opens in a new tab)
- https://git.kernel.org/stable/c/9d0ca11258e7b452653d04310addfec1753de1a2 (opens in a new tab)
- https://git.kernel.org/stable/c/ca46d2092f307385a7acfb42632056570d6dbbbc (opens in a new tab)
- https://git.kernel.org/stable/c/9b85c8f624b0f8cf9b932f5a65dacd56a1f47a72 (opens in a new tab)
- https://git.kernel.org/stable/c/8b221db0b7d24675e465e98d9326d298025a4e8d (opens in a new tab)
- https://git.kernel.org/stable/c/33c1c6d8a28a2761ac74b0380b2563cf546c2a3a (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-2026-27711 (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-2026-43148)Record last updated .