CVE-2022-50276
power: supply: fix null pointer dereferencing in power_supply_get_battery_info
- Published
- Updated
- Reserved
- Assigned by
- Linux
Description
In the Linux kernel, the following vulnerability has been resolved: power: supply: fix null pointer dereferencing in power_supply_get_battery_info when kmalloc() fail to allocate memory in kasprintf(), propname will be NULL, strcmp() called by of_get_property() will cause null pointer dereference. So return ENOMEM if kasprintf() return NULL pointer.
Timeline
ID reserved
By Linux
Published
- 14 months later
· 14 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)
- 0.16% · top 95% of all CVEs (7 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: Medium 5.5.
Weakness
Affected products
- affected 3afb50d7125bcdbf71df843134e96ceffc78c8b8 – < 8ea68b4e3fa9392ef9dae303abc8735a033c280f
- affected 3afb50d7125bcdbf71df843134e96ceffc78c8b8 – < 5beadb55f4e36fafe5d6df5dcd5f85d803f3f134
- affected 3afb50d7125bcdbf71df843134e96ceffc78c8b8 – < d21534ab4fd7883e1c8037a76671d4e8b6ea14cb
- affected 3afb50d7125bcdbf71df843134e96ceffc78c8b8 – < 279af90e65cbdb3e5c4519b0043324d7876bc5ec
- affected 3afb50d7125bcdbf71df843134e96ceffc78c8b8 – < b8131efb89d9f837c9244f900f0fc2699fd1181d
- affected 3afb50d7125bcdbf71df843134e96ceffc78c8b8 – < 104bb8a663451404a26331263ce5b96c34504049
- affected 5.0
- unaffected < 5.0
- unaffected 5.4.229 – ≤ 5.4.*
- unaffected 5.10.163 – ≤ 5.10.*
- unaffected 5.15.86 – ≤ 5.15.*
- unaffected 6.0.16 – ≤ 6.0.*
- unaffected 6.1.2 – ≤ 6.1.*
- unaffected 6.2 – ≤ *
References (6)
- https://git.kernel.org/stable/c/8ea68b4e3fa9392ef9dae303abc8735a033c280f (opens in a new tab)
- https://git.kernel.org/stable/c/5beadb55f4e36fafe5d6df5dcd5f85d803f3f134 (opens in a new tab)
- https://git.kernel.org/stable/c/d21534ab4fd7883e1c8037a76671d4e8b6ea14cb (opens in a new tab)
- https://git.kernel.org/stable/c/279af90e65cbdb3e5c4519b0043324d7876bc5ec (opens in a new tab)
- https://git.kernel.org/stable/c/b8131efb89d9f837c9244f900f0fc2699fd1181d (opens in a new tab)
- https://git.kernel.org/stable/c/104bb8a663451404a26331263ce5b96c34504049 (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)
- 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-2022-50276)Record last updated .