CVE-2024-26594: linux Out-of-bounds Read
CVSS: 9.1v3.1CriticalModified
AliasesUBUNTU-CVE-2024-26594DEBIAN-CVE-2024-26594
Published 23-02-2024Last modified 05-08-2026
Vulnerability summary
CVE-2024-26594 is a critical (CVSS 9.1) Out-of-bounds Read vulnerability in linux. EPSS estimates a 51.25% chance of exploitation in the next 30 days, higher than 98.9% of scored vulnerabilities.
CVSS score
9.1/10
010
Critical · v3.1 (CVE.org)EPSS score
51.25%
0%100%
Critical · +0.28 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 12 · Related 15Timeline
- 23-02-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: validate mech token in session setup If client send invalid mech token in session setup request, ksmbd validate and make the error if it is invalid.
CVSS metrics
4 scores · 4 sources · 1 versionCritical 9.1Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:HSources4 sources · 7.1–9.1
- OSV · UbuntuEcosystem advisory · calculated9.1CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/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:HDiffers
- NVDNIST7.1HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HDiffers
EPSS trend
Probability
51.25%
Chance of exploitation in the next 30 days
Percentile
99%
Versus all other CVEs
30-day change
+0.28 pp
From 50.97% on 20-09-2026
20-09-202620-10-2026
EPSS score51.25%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Ubuntu104 products
- linux< 5.15.0-106.116
- linux-allwinner-5.19All versions (No fix recorded)
- linux-aws< 5.15.0-1061.67
- linux-aws-5.0All versions (No fix recorded)
- linux-aws-5.11All versions (No fix recorded)
Linux2 products
- linux≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < dd1de9268745f0eac83a430db7afc32cbd62e84b | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 6eb8015492bcc84e40646390e50a862b2c0529c9 | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < a2b21ef1ea4cf632d19b3a7cc4d4245b8e63202a | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 5e6dfec95833edc54c48605a98365a7325e5541e | ≥ 0626e6641f6b467447c81dd7678a69c66f7746cf, < 92e470163d96df8db6c4fa0f484e4a229edb903d | 5.15
- linux_kernel< 5.15.149 | ≥ 5.16.0, < 6.1.75 | ≥ 6.2.0, < 6.6.14 | ≥ 6.7.0, < 6.7.2
Debian1 product
- linux< 6.1.76-1 | < 6.6.15-1
3 vendors · 107 products
