01 Record

CVE-2026-43068

ext4: avoid allocate block from corrupted group in ext4_mb_find_by_goal()

UnratedPUBLISHEDCNA: Linux

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

ext4: avoid allocate block from corrupted group in ext4_mb_find_by_goal()

03 Exploitation and scoring

Exploitation: Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
SSVC decision: Not assessed by CISA
EPSS probability: 0.12% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 1.9% of scored records. A rank, not a probability.
NVD base score: 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
NVD analysis status: Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity: Low. Red Hat's rating for its own products, not a CVSS rating.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published

2026-05-05 15:23Z4 MO AGO

Last updated

2026-05-11 22:17Z3 MO AGO

Reserved

2026-05-01

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-401Missing Release of Memory after Effective LifetimeVariant
CWE-237Improper Handling of Structural ElementsBase

Data version

5.2

Document digest

1c6bbefa93c728e699f405bfb6c97457acae5c7bb42d0ec1ab58b6261a754564

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux163a203ddb36c36d4a1c942aececda0cc8d06aa7 to < fea6b2e250ff48f10d166011b57a8516ae5438c9, 163a203ddb36c36d4a1c942aececda0cc8d06aa7 to < 0b84571c886719823d537f05f4f07cad6357c4b7, 163a203ddb36c36d4a1c942aececda0cc8d06aa7 to < ffc0a282462d45fee5957621be5afa29752f3b6d, 163a203ddb36c36d4a1c942aececda0cc8d06aa7 to < 2d31a5073f86a177edf44015e0dedb0c47cfd6d8, 163a203ddb36c36d4a1c942aececda0cc8d06aa7 to < 9370207b36d26e45a8c8ef0500706d37036edd6b, 163a203ddb36c36d4a1c942aececda0cc8d06aa7 to < 1895f7904be71c48f1e6f338b28f24dabd6b8aeb, 163a203ddb36c36d4a1c942aececda0cc8d06aa7 to < 1c0d7c4cde38a887c6d74e0c89ddb25226943c78, 163a203ddb36c36d4a1c942aececda0cc8d06aa7 to < 46066e3a06647c5b186cc6334409722622d05c44, 3.12—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/fea6b2e250ff48f10d166011b57a8516ae5438c9
git.kernel.orghttps://git.kernel.org/stable/c/0b84571c886719823d537f05f4f07cad6357c4b7
git.kernel.orghttps://git.kernel.org/stable/c/ffc0a282462d45fee5957621be5afa29752f3b6d
git.kernel.orghttps://git.kernel.org/stable/c/2d31a5073f86a177edf44015e0dedb0c47cfd6d8
git.kernel.orghttps://git.kernel.org/stable/c/9370207b36d26e45a8c8ef0500706d37036edd6b
git.kernel.orghttps://git.kernel.org/stable/c/1895f7904be71c48f1e6f338b28f24dabd6b8aeb
git.kernel.orghttps://git.kernel.org/stable/c/1c0d7c4cde38a887c6d74e0c89ddb25226943c78
git.kernel.orghttps://git.kernel.org/stable/c/46066e3a06647c5b186cc6334409722622d05c44

01 Record index

CVE-2026-43068

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-43068

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References