CVE-2024-26973: debian debian_linux Use of Uninitialized Resource
Vulnerability summary
CVE-2024-26973 is a medium (CVSS 5.5) Use of Uninitialized Resource vulnerability in debian debian_linux. EPSS estimates a 0.26% chance of exploitation in the next 30 days, higher than 15.9% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 38 · Related 31Timeline
- 01-05-2024PublishedVulnerability first disclosed.
- 15-10-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: fat: fix uninitialized field in nostale filehandles When fat_encode_fh_nostale() encodes file handle without a parent it stores only first 10 bytes of the file handle. However the length of the file handle must be a multiple of 4 so the file handle is actually 12 bytes long and the last two bytes remain uninitialized. This is not great at we potentially leak uninitialized information with the handle to userspace. Properly initialize the full handle length.
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
0.26%
Chance of exploitation in the next 30 days
Percentile
16%
Versus all other CVEs
30-day change
0.00 pp
From 0.26% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu117 products
- linuxAll versions (No fix recorded) | < 5.4.0-189.209 | < 5.15.0-116.126 | < 6.8.0-35.35
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.4.0-1128.138 | < 5.15.0-1065.71 | < 6.8.0-1009.9
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Debian2 products
- linux< 6.1.85-1 | < 6.7.12-1
- debian_linuxEOL10.0
Linux2 products
- linux≥ ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2, < 9840d1897e28f8733cc1e38f97e044f987dc0a63 | ≥ ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2, < f52d7663a10a1266a2d3871a6dd8fd111edc549f | ≥ ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2, < a276c595c3a629170b0f052a3724f755d7c6adc6 | ≥ ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2, < b7fb63e807c6dadf7ecc1d43448c4f1711d7eeee | ≥ ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2, < c8cc05de8e6b5612b6e9f92c385c1a064b0db375 | ≥ ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2, < 03a7e3f2ba3ca25f1da1d3898709a08db14c1abb | ≥ ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2, < 74f852654b8b7866f15323685f1e178d3386c688 | ≥ ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2, < cdd33d54e789d229d6d5007cbf3f53965ca1a5c6 | ≥ ea3983ace6b79c96e6ab3d3837e2eaf81ab881e2, < fde2497d2bc3a063d8af88b258dbadc86bd7b57c | 3.10
- linux_kernel≥ 3.10, < 4.19.312 | ≥ 4.20, < 5.4.274 | ≥ 5.5, < 5.10.215 | ≥ 5.11, < 5.15.154 | ≥ 5.16, < 6.1.84 | ≥ 6.2, < 6.6.24 | ≥ 6.7, < 6.7.12 | ≥ 6.8, < 6.8.3
3 vendors · 121 products
