CVE-2022-50276: power: supply: fix null pointer dereferencing in power_supply_get_battery_info
Vulnerability summary
CVE-2022-50276 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.16% chance of exploitation in the next 30 days, higher than 5.1% of scored vulnerabilities.
Not severe (CVSS 5.5, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 5 · Related 4Timeline
- 15-09-2025PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
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.
CVSS metrics
3 scores · 3 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
0.16%
Chance of exploitation in the next 30 days
Percentile
5%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.16% on 04-10-2026
Known exploited
Compare KEV catalogs
CISA KEVNot in the CISA KEV catalog.
ENISA CNWNot in the ENISA CNW catalog.
CIRCLNot in the CIRCL catalog.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu116 products
- linux< 5.4.0-144.161 | < 5.15.0-69.76
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1097.105 | < 5.15.0-1033.37
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 3afb50d7125bcdbf71df843134e96ceffc78c8b8, < 8ea68b4e3fa9392ef9dae303abc8735a033c280f | ≥ 3afb50d7125bcdbf71df843134e96ceffc78c8b8, < 5beadb55f4e36fafe5d6df5dcd5f85d803f3f134 | ≥ 3afb50d7125bcdbf71df843134e96ceffc78c8b8, < d21534ab4fd7883e1c8037a76671d4e8b6ea14cb | ≥ 3afb50d7125bcdbf71df843134e96ceffc78c8b8, < 279af90e65cbdb3e5c4519b0043324d7876bc5ec | ≥ 3afb50d7125bcdbf71df843134e96ceffc78c8b8, < b8131efb89d9f837c9244f900f0fc2699fd1181d | ≥ 3afb50d7125bcdbf71df843134e96ceffc78c8b8, < 104bb8a663451404a26331263ce5b96c34504049 | 5.0
- linux_kernel≥ 5.0, < 5.4.229 | ≥ 5.5, < 5.10.163 | ≥ 5.11, < 5.15.86 | ≥ 5.16, < 6.0.16 | ≥ 6.1, < 6.1.2
Debian1 product
- linux< 6.1.4-1
3 vendors · 119 products
