CVE-2024-49925: fbdev: efifb: Register sysfs groups through driver core
Vulnerability summary
CVE-2024-49925 is a high (CVSS 7.1) Use After Free vulnerability in linux. EPSS estimates a 0.27% chance of exploitation in the next 30 days, higher than 19.7% of scored vulnerabilities.
Not severe (CVSS 7.1, local access); no exploitation reported by the 5 checked sources
Source freshness unavailable
How is this decided?Advisory lineage
Upstream 0 · Downstream 64 · Related 62Timeline
- 21-10-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: fbdev: efifb: Register sysfs groups through driver core The driver core can register and cleanup sysfs groups already. Make use of that functionality to simplify the error handling and cleanup. Also avoid a UAF race during unregistering where the sysctl attributes were usable after the info struct was freed.
CVSS metrics
4 scores · 4 sources · 1 version- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/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:HDiffers
- NVDNIST5.5MediumCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HDiffers
EPSS trend
Probability
0.27%
Chance of exploitation in the next 30 days
Percentile
20%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.27% on 04-10-2026
Known exploited
Compare KEV catalogsNot in the CISA KEV catalog.
Not in the ENISA CNW catalog.
Not 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.
Ubuntu133 products
- linux< 4.15.0-237.249 | < 5.4.0-211.231 | < 5.15.0-135.146 | < 6.8.0-54.56
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 4.15.0-1180.193 | < 5.4.0-1142.152 | < 5.15.0-1080.87 | < 6.8.0-1023.25
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 753375a881caa01112b7cec2c796749154e0bb23, < 2d97b85eb5a86766ad0f8ea3d121e6ae144e3ed8 | ≥ 753375a881caa01112b7cec2c796749154e0bb23, < 2a9c40c72097b583b23aeb2a26d429ccfc81fbc1 | ≥ 753375a881caa01112b7cec2c796749154e0bb23, < 36bfefb6baaa8e46de44f4fd919ce4347337620f | ≥ 753375a881caa01112b7cec2c796749154e0bb23, < 872cd2d029d2c970a8a1eea88b48dab2b3f2e93a | ≥ 753375a881caa01112b7cec2c796749154e0bb23, < 4684d69b9670a83992189f6271dc0fcdec4ed0d7 | ≥ 753375a881caa01112b7cec2c796749154e0bb23, < 95cdd538e0e5677efbdf8aade04ec098ab98f457 | 4.10
- linux_kernel< 6.6.55 | ≥ 6.7, < 6.10.14 | ≥ 6.11, < 6.11.3
Debian1 product
- linux< 6.1.123-1 | < 6.11.4-1
3 vendors · 136 products