7.5

CVE-2025-68782: linux NULL Pointer Dereference

CVSS: 7.5v3.1HighDeferred
AliasesUBUNTU-CVE-2025-68782DEBIAN-CVE-2025-68782
Published 13-01-2026Last modified 19-10-2026
Open JSON

Vulnerability summary

CVE-2025-68782 is a high (CVSS 7.5) NULL Pointer Dereference vulnerability in linux. EPSS estimates a 0.69% chance of exploitation in the next 30 days, higher than 52% of scored vulnerabilities.

Overall risk
30/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (CVE.org)
EPSS score
0.69%
0%100%
Low · +0.11 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 34 · Related 30
DLA-4475-1DLA-4476-1DSA-6126-1DSA-6127-1MGASA-2026-0017MGASA-2026-0018

Timeline

  1. 13-01-2026
    PublishedVulnerability first disclosed.
  2. 19-10-2026
    Last modifiedVulnerability information updated.

Description

In the Linux kernel, the following vulnerability has been resolved: scsi: target: Reset t_task_cdb pointer in error case If allocation of cmd->t_task_cdb fails, it remains NULL but is later dereferenced in the 'err' path. In case of error, reset NULL t_task_cdb value to point at the default fixed-size buffer. Found by Linux Verification Center (linuxtesting.org) with SVACE.

CVSS metrics

4 scores · 4 sources · 1 version

EPSS trend

Probability

0.69%

Chance of exploitation in the next 30 days

Percentile

52%

Versus all other CVEs

30-day change

+0.11 pp

From 0.59% on 19-09-2026

19-09-202619-10-2026
EPSS score
0.69%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu144 products
  • linux< 5.15.0-173.183 | < 6.8.0-110.110 | < 6.17.0-22.22
  • linux-allwinner-5.19All versions (No fix recorded)
  • linux-aws< 5.15.0-1103.110 | < 6.8.0-1052.55 | < 6.17.0-1012.12
  • linux-aws-5.0All versions (No fix recorded)
  • linux-aws-5.11All versions (No fix recorded)
Debian1 product
  • linux< 6.1.162-1 | < 6.12.69-1 | < 6.18.3-1
Linux1 product
  • linux≥ 9e95fb805dc043cc8ed878a08d1583e4097a5f80, < 6cac97b12bdab04832e0416d049efcd0d48d303b | ≥ 9e95fb805dc043cc8ed878a08d1583e4097a5f80, < 45fd86b444105c8bd07a763f58635c87e5dc7aea | ≥ 9e95fb805dc043cc8ed878a08d1583e4097a5f80, < 8727663ded659aad55eef21e3864ebf5a4796a96 | ≥ 9e95fb805dc043cc8ed878a08d1583e4097a5f80, < 0260ad551b0815eb788d47f32899fbcd65d6f128 | ≥ 9e95fb805dc043cc8ed878a08d1583e4097a5f80, < 0d36db68fdb8a3325386fd9523b67735f944e1f3 | ≥ 9e95fb805dc043cc8ed878a08d1583e4097a5f80, < 8edbb9e371af186b4cf40819dab65fafe109df4d | ≥ 9e95fb805dc043cc8ed878a08d1583e4097a5f80, < 5053eab38a4c4543522d0c320c639c56a8b59908 | 5.8

3 vendors · 146 products

References

44 links
Show all 44 references