CVE-2024-41077: linux NULL Pointer Dereference
Vulnerability summary
CVE-2024-41077 is a medium (CVSS 5.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.22% chance of exploitation in the next 30 days, higher than 12.3% of scored vulnerabilities.
Advisory lineage
Upstream 0 · Downstream 28 · Related 23Timeline
- 29-07-2024PublishedVulnerability first disclosed.
- 11-05-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: null_blk: fix validation of block size Block size should be between 512 and PAGE_SIZE and be a power of 2. The current check does not validate this, so update the check. Without this patch, null_blk would Oops due to a null pointer deref when loaded with bs=1536 [1]. [axboe: remove unnecessary braces and != 0 check]
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
0.22%
Chance of exploitation in the next 30 days
Percentile
12%
Versus all other CVEs
30-day change
0.00 pp
From 0.22% on 19-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu130 products
- linuxAll versions (No fix recorded) | < 5.15.0-125.135 | < 6.8.0-48.48
- linux-allwinner-5.19All versions (No fix recorded)
- linux-awsAll versions (No fix recorded) | < 5.15.0-1072.78 | < 6.8.0-1018.20
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ cedcafad8277b3a07e90bf2f68fff5c6b28a183e, < 9625afe1dd4a158a14bb50f81af9e2dac634c0b1 | ≥ cedcafad8277b3a07e90bf2f68fff5c6b28a183e, < 9b873bdaae64bddade9d8c6df23c8a31948d47d0 | ≥ cedcafad8277b3a07e90bf2f68fff5c6b28a183e, < 2772ed2fc075eef7df3789906fc9dae01e4e132e | ≥ cedcafad8277b3a07e90bf2f68fff5c6b28a183e, < 08f03186b96e25e3154916a2e70732557c770ea7 | ≥ cedcafad8277b3a07e90bf2f68fff5c6b28a183e, < f92409a9da02f27d05d713bff5f865e386cef9b3 | ≥ cedcafad8277b3a07e90bf2f68fff5c6b28a183e, < c462ecd659b5fce731f1d592285832fd6ad54053 | 4.14
- linux_kernel< 5.10.223 | ≥ 5.11, < 5.15.164 | ≥ 5.16, < 6.1.101 | ≥ 6.2, < 6.6.42 | ≥ 6.7, < 6.9.11 | 6.10:rc1 | 6.10:rc2
Debian1 product
- linux< 6.1.106-1 | < 6.9.11-1
3 vendors · 133 products