CVE-2024-40929: linux Out-of-bounds Read
CVSS: 7.1v3.1HighModified
AliasesUBUNTU-CVE-2024-40929DEBIAN-CVE-2024-40929
Published 12-07-2024Last modified 05-08-2026
Vulnerability summary
CVE-2024-40929 is a high (CVSS 7.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 0.36% chance of exploitation in the next 30 days, higher than 28.7% of scored vulnerabilities.
CVSS score
7.1/10
010
High · v3.1 (CVE.org)EPSS score
0.36%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 36 · Related 30DLA-4008-1DSA-5730-1DSA-5731-1RHSA-2024:5928RHSA-2024:7000RHSA-2024:7001SUSE-SU-2024:2892-1SUSE-SU-2024:2894-1SUSE-SU-2024:2901-1SUSE-SU-2024:2939-1SUSE-SU-2024:2940-1SUSE-SU-2024:2947-1SUSE-SU-2024:3194-1SUSE-SU-2024:3195-1SUSE-SU-2024:3383-1SUSE-SU-2025:20044-1SUSE-SU-2025:20047-1USN-6999-1USN-6999-2USN-7004-1USN-7005-1USN-7005-2USN-7007-1USN-7007-2USN-7007-3USN-7008-1USN-7009-1USN-7009-2USN-7019-1USN-7029-1USN-7088-1USN-7088-2USN-7088-3USN-7088-4USN-7088-5USN-7119-1
Timeline
- 12-07-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: wifi: iwlwifi: mvm: check n_ssids before accessing the ssids In some versions of cfg80211, the ssids poinet might be a valid one even though n_ssids is 0. Accessing the pointer in this case will cuase an out-of-bound access. Fix this by checking n_ssids first.
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.1HighCVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
- NVDNIST7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:H
EPSS trend
Probability
0.36%
Chance of exploitation in the next 30 days
Percentile
29%
Versus all other CVEs
30-day change
0.00 pp
From 0.36% on 19-09-2026
19-09-202619-10-2026
EPSS score0.36%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu124 products
- linux< 5.4.0-200.220 | < 5.15.0-121.131 | < 6.8.0-44.44
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.4.0-1135.145 | < 5.15.0-1069.75 | < 6.8.0-1015.16
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ c1a7515393e403758a684fd0a2372af466675b15, < 3c4771091ea8016c8601399078916f722dd8833b | ≥ c1a7515393e403758a684fd0a2372af466675b15, < f777792952d03bbaf8329fdfa99393a5a33e2640 | ≥ c1a7515393e403758a684fd0a2372af466675b15, < 9e719ae3abad60e245ce248ba3f08148f375a614 | ≥ c1a7515393e403758a684fd0a2372af466675b15, < 29a18d56bd64b95bd10bda4afda512558471382a | ≥ c1a7515393e403758a684fd0a2372af466675b15, < 62e007bdeb91c6879a4652c3426aef1cd9d2937b | ≥ c1a7515393e403758a684fd0a2372af466675b15, < 60d62757df30b74bf397a2847a6db7385c6ee281 | 4.17
- linux_kernel≥ 4.17, < 5.10.221 | ≥ 5.11, < 5.15.162 | ≥ 5.16, < 6.1.95 | ≥ 6.2, < 6.6.35 | ≥ 6.7, < 6.9.6 | 6.10:rc1 | 6.10:rc2
Debian1 product
- linux< 6.1.99-1 | < 6.9.7-1
3 vendors · 127 products