power: supply: core: fix supplied_from allocations
Priority LOW 22Published · Updated
Key facts
- Attack vector
- —
- Privileges required
- —
- User interaction
- —
- Attack complexity
- —
- Impact type
- —
- Confidentiality · integrity · availability
- —
- Fix status
- Partial Red Hat: 3 without a fix
No CVSS vector from any source. Fix status from CNA and Red Hat.
Summary
In the Linux kernel, the following vulnerability has been resolved: power: supply: core: fix supplied_from allocations If dts property power-supplies has multiple values, then accessing to psy->supplied_from[i-1] in __power_supply_populate_supplied_from will overrun supplied_from array.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00215 11th percentileScored 2026-11-07
Fix Partial Linux (Linux): 6.1.178, 6.6.145, 6.12.97 +3Red Hat: 3 without a fix
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Partial
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
Remediation
- Fix · CNA Linux (Linux) Fixed in 6.1.178, 6.6.145, 6.12.97, 6.18.40, 7.1.5, 7.2
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 10 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 8 | Affected | No fix yet: Fix deferred |
| Red Hat Enterprise Linux 9 | Affected | No fix yet: Fix deferred |
Not affected: 4 products
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
Timeline
- 2026-10-02 Threatist record created from CVE-2026-74271
- 2026-10-03 Alias added: GHSA-39rv-mmw2-58p4
- 2026-11-06 Affected versions changed · Red Hat
- 2026-11-06 CVSS score changed · Red Hat
- 2026-11-06 CISA SSVC decision points changed
References
Other 6
- https://git.kernel.org/stable/c/ae55e4bf18ee0c4c170797dd65e17dbdf644fcf2
- https://git.kernel.org/stable/c/23a29ee1d9de38b7d6226b27653bc736b28ff05a
- https://git.kernel.org/stable/c/fefc9dad30d545be288d50a0b10d00465015fcfe
- https://git.kernel.org/stable/c/d0503357653ee62188987a26baa2d7f3689f367e
- https://git.kernel.org/stable/c/14357ba006e1586e4b4e809c074b21baf0aa4c4b
- https://git.kernel.org/stable/c/ba61aed9a34671222d1149acfc2f0179a9ce7e80
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Sources
- CVE-2026-74271 · CVE Program
- CVE-2026-74271 · NVD
- FIRST EPSS
- GHSA-39rv-mmw2-58p4 · GitHub Advisory Database · CC BY 4.0
- CVE-2026-74271 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences