CVE-2024-35826: block: Fix page refcounts for unaligned buffers in __bio_release_pages()
Vulnerability summary
CVE-2024-35826 is a medium (CVSS 5.5) vulnerability in linux. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 11.3% 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 13 · Related 13Timeline
- 17-05-2024PublishedVulnerability first disclosed.
- 23-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: block: Fix page refcounts for unaligned buffers in __bio_release_pages() Fix an incorrect number of pages being released for buffers that do not start at the beginning of a page.
CVSS metrics
4 scores · 3 sources · 2 versions- 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
0.21%
Chance of exploitation in the next 30 days
Percentile
11%
Versus all other CVEs
30-day change
No change 0.00 pp
From 0.21% 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 causeNo weakness data has been published for this record.
Affected systems
Known conditions: local access, low-privilege account, no user interaction (CVSS vector). Other conditions: not stated in public data.
Ubuntu114 products
- linuxAll versions (No fix recorded) | < 6.8.0-35.35
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 6.8.0-1009.9
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 9025ee1079291fac79c7fcc20086e9f0015f86f4, < 242006996d15f5ca62e22f8c7de077d9c4a8f367 | ≥ 8955324cc9f93304efe163120038b38c36c09fba, < 7d3765550374f71248c55e6206ea1d6fd4537e65 | ≥ d198c15d181cc9d580f0f2c25150b077d1d49c1a, < ecbd9ced84dd655a8f4cd49d2aad0e80dbf6bf35 | ≥ 1b151e2435fc3a9b10c8946c6aebe9f3e1938c55, < c9d3d2fbde9b8197bce88abcbe8ee8e713ffe7c2 | ≥ 1b151e2435fc3a9b10c8946c6aebe9f3e1938c55, < 38b43539d64b2fa020b3b9a752a986769f87f7a6 | d2d0b95ca1b5fefa3deed444a803c9f809db66cf | 3f4e660144edb053886fc80f587a71ad7afc2ad6 | bfc0647791d7a8f3e178a896a26c4ef7794876b7 | 0f2dca516541032fe47a1236c852f58edc662795 | ≥ 6.1.75, < 6.1.84 | ≥ 6.6.14, < 6.6.24 | ≥ 6.7.2, < 6.7.12 | ≥ 4.19.307, < 4.20 | ≥ 5.4.269, < 5.5 | ≥ 5.10.210, < 5.11 | ≥ 5.15.148, < 5.16 | 6.8
- linux_kernel≥ 4.19.307, < 4.20 | ≥ 5.4.269, < 5.5 | ≥ 5.10.210, < 5.11 | ≥ 5.15.148, < 5.16 | ≥ 6.1.75, < 6.1.84 | ≥ 6.6.14, < 6.6.24 | ≥ 6.7.2, < 6.7.12 | ≥ 6.8, < 6.8.3
Debian1 product
- linux< 6.1.85-1 | < 6.7.12-1
3 vendors · 117 products