CVE-2024-26592: linux Use After Free
CVSS: 9.8v3.1CriticalModified
AliasesUBUNTU-CVE-2024-26592DEBIAN-CVE-2024-26592
Published 22-02-2024Last modified 05-08-2026
Vulnerability summary
CVE-2024-26592 is a critical (CVSS 9.8) Use After Free vulnerability in linux. EPSS estimates a 0.97% chance of exploitation in the next 30 days, higher than 61.4% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (CVE.org)EPSS score
0.97%
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 12 · Related 15Timeline
- 22-02-2024PublishedVulnerability first disclosed.
- 05-08-2026Last modifiedVulnerability information updated.
Description
In the Linux kernel, the following vulnerability has been resolved: ksmbd: fix UAF issue in ksmbd_tcp_new_connection() The race is between the handling of a new TCP connection and its disconnection. It leads to UAF on `struct tcp_transport` in ksmbd_tcp_new_connection() function.
CVSS metrics
4 scores · 4 sources · 1 versionCritical 9.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSources4 sources · 7.8–9.8
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/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:HDiffers
- NVDNIST7.8HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HDiffers
EPSS trend
Probability
0.97%
Chance of exploitation in the next 30 days
Percentile
61%
Versus all other CVEs
30-day change
0.00 pp
From 0.97% on 20-09-2026
20-09-202620-10-2026
EPSS score0.97%
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≥ a848c4f15ab6d5d405dbee7de5da71839b2bf35e, < 999daf367b924fdf14e9d83e034ee0f86bc17ec6 | ≥ a848c4f15ab6d5d405dbee7de5da71839b2bf35e, < 380965e48e9c32ee4263c023e1d830ea7e462ed1 | ≥ a848c4f15ab6d5d405dbee7de5da71839b2bf35e, < 24290ba94cd0136e417283b0dbf8fcdabcf62111 | ≥ a848c4f15ab6d5d405dbee7de5da71839b2bf35e, < 69d54650b751532d1e1613a4fb433e591aeef126 | ≥ a848c4f15ab6d5d405dbee7de5da71839b2bf35e, < 38d20c62903d669693a1869aa68c4dd5674e2544 | 5.15
- linux_kernel≥ 5.15.0, < 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
