CVE-2024-38623: linux Improper Validation of Array Index
CVSS: 7.8v3.1HighModified
AliasesUBUNTU-CVE-2024-38623DEBIAN-CVE-2024-38623
Published 21-06-2024Last modified 05-08-2026
Vulnerability summary
CVE-2024-38623 is a high (CVSS 7.8) Improper Validation of Array Index vulnerability in linux. EPSS estimates a 0.53% chance of exploitation in the next 30 days, higher than 43.3% of scored vulnerabilities.
CVSS score
7.8/10
010
High · v3.1 (CVE.org)EPSS score
0.53%
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 15 · Related 13Timeline
- 21-06-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Use variable length array instead of fixed size Should fix smatch warning: ntfs_set_label() error: __builtin_memcpy() 'uni->name' too small (20 vs 256)
CVSS metrics
4 scores · 4 sources · 1 versionHigh 7.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HSourcesAll 4 agree
- OSV · UbuntuEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.53%
Chance of exploitation in the next 30 days
Percentile
43%
Versus all other CVEs
30-day change
0.00 pp
From 0.53% on 19-09-2026
19-09-202619-10-2026
EPSS score0.53%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu116 products
- linux< 5.15.0-121.131 | < 6.8.0-44.44
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 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≥ 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e, < a2de301d90b782ac5d7a5fe32995caaee9ab3a0f | ≥ 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e, < 3839a9b19a4b70eff6b6ad70446f639f7fd5a3d7 | ≥ 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e, < 1fe1c9dc21ee52920629d2d9b9bd84358931a8d1 | ≥ 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e, < cceef44b34819c24bb6ed70dce5b524bd3e368d1 | ≥ 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e, < 1997cdc3e727526aa5d84b32f7cbb3f56459b7ef | 5.15
- linux_kernel≥ 5.15, < 5.15.161 | ≥ 5.16, < 6.1.93 | ≥ 6.2, < 6.6.33 | ≥ 6.7, < 6.9.4
Debian1 product
- linux< 6.1.94-1 | < 6.9.7-1
3 vendors · 119 products
