01 Record

CVE-2026-53064

dm cache: fix null-deref with concurrent writes in passthrough mode

UnratedPUBLISHEDCNA: Linux

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

dm cache: fix null-deref with concurrent writes in passthrough mode

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 2.4% 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 2026-07-21.
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

2026-06-24 16:30Z2 MO AGO

Last updated

2026-06-24 16:30Z2 MO AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-476NULL Pointer DereferenceBase
CWE-367Time-of-check Time-of-use (TOCTOU) Race ConditionBase

Data version

5.2

Document digest

a09a65a376232237df4db3ae3f5cf1b7f52eb44de94dcfb6626755afa9994a84

05 Affected products

VendorProductVersionsPlatforms

LinuxLinuxb29d4986d0da1a27cd35917cdb433672f5c95d7f to < 01264a6a3a3ad7ac1d73443299cd5a9568002454, b29d4986d0da1a27cd35917cdb433672f5c95d7f to < ee38fb00e1a80f46a4990e38f25ecb04ae7b7417, b29d4986d0da1a27cd35917cdb433672f5c95d7f to < c7fb6bc864c4910b344dafa36dd5028e9b980768, b29d4986d0da1a27cd35917cdb433672f5c95d7f to < 0aa745fea1f8dc81bcdd0a45e215b6706727b482, b29d4986d0da1a27cd35917cdb433672f5c95d7f to < a2635d541a93fd111e743cf14b6275dc81be2abc, b29d4986d0da1a27cd35917cdb433672f5c95d7f to < 25dcc1989c194ba2b5fb6d03cbb9b83814ac0d15, b29d4986d0da1a27cd35917cdb433672f5c95d7f to < df3b8ef06cc62de4fca5d2108e285085b3cffd44, b29d4986d0da1a27cd35917cdb433672f5c95d7f to < 7d1f98d668ee34c1d15bdc0420fdd062f24a27c0, 4.12—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/01264a6a3a3ad7ac1d73443299cd5a9568002454
git.kernel.orghttps://git.kernel.org/stable/c/ee38fb00e1a80f46a4990e38f25ecb04ae7b7417
git.kernel.orghttps://git.kernel.org/stable/c/c7fb6bc864c4910b344dafa36dd5028e9b980768
git.kernel.orghttps://git.kernel.org/stable/c/0aa745fea1f8dc81bcdd0a45e215b6706727b482
git.kernel.orghttps://git.kernel.org/stable/c/a2635d541a93fd111e743cf14b6275dc81be2abc
git.kernel.orghttps://git.kernel.org/stable/c/25dcc1989c194ba2b5fb6d03cbb9b83814ac0d15
git.kernel.orghttps://git.kernel.org/stable/c/df3b8ef06cc62de4fca5d2108e285085b3cffd44
git.kernel.orghttps://git.kernel.org/stable/c/7d1f98d668ee34c1d15bdc0420fdd062f24a27c0

01 Record index

CVE-2026-53064

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-53064

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References