01 Record

CVE-2026-53185

zram: fix use-after-free in zram_bvec_write_partial()

HighPUBLISHEDCNA: Linux

CNA base score7.8 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

View raw JSON

02 Description

zram: fix use-after-free in zram_bvec_write_partial()

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: 0.10% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 1.0% of scored records. A rank, not a probability.
NVD base score: 7.8 (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:H/I:H/A:H
NVD analysis status: Modified. NVD last modified this record on 2026-09-03.
Red Hat severity: Moderate. 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

2026-06-25 08:38Z2 MO AGO

Last updated

2026-09-03 12:04Z1 DAY AGO

Reserved

2026-06-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

High (CVSS 7.8)

CNA CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weaknesses

CWE-416Use After FreeVariant
CWE-364Signal Handler Race ConditionBase

Data version

5.2

Document digest

2e021c9ce0028d119365ae7849dc811452c6f0585212ecb4b3e17102e47d8286

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux8e654f8fbff52ac483fb69957222853d7e2fc588 to < 0c2821665ff71be3f4b07ecece384669f2877f6a, 8e654f8fbff52ac483fb69957222853d7e2fc588 to < 77a602b505ce4802915853cfc435a4722fab3e64, 8e654f8fbff52ac483fb69957222853d7e2fc588 to < c96786d6ff1acc1d54d9241e97767554c1dfdd5b, 8e654f8fbff52ac483fb69957222853d7e2fc588 to < 198b5a14cca27263b9c14b20114c8092de15dfcb, 8e654f8fbff52ac483fb69957222853d7e2fc588 to < 732fd9f0b9c1cdc6dfd77162ded60df005182cc0, 4.14—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/0c2821665ff71be3f4b07ecece384669f2877f6a
git.kernel.orghttps://git.kernel.org/stable/c/77a602b505ce4802915853cfc435a4722fab3e64
git.kernel.orghttps://git.kernel.org/stable/c/c96786d6ff1acc1d54d9241e97767554c1dfdd5b
git.kernel.orghttps://git.kernel.org/stable/c/198b5a14cca27263b9c14b20114c8092de15dfcb
git.kernel.orghttps://git.kernel.org/stable/c/732fd9f0b9c1cdc6dfd77162ded60df005182cc0
access.redhat.comhttps://access.redhat.com/security/cve/CVE-2026-53185vdb-entryx_refsource_REDHAT
bugzilla.redhat.comRHBZ#2492735https://bugzilla.redhat.com/show_bug.cgi?id=2492735issue-trackingx_refsource_REDHAT
security.access.redhat.comhttps://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-53185.jsonx_sadp-csaf-vex
access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:61887vendor-advisoryx_refsource_REDHAT
access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:59723vendor-advisoryx_refsource_REDHAT
access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:63014vendor-advisoryx_refsource_REDHAT
access.redhat.comhttps://access.redhat.com/errata/RHSA-2026:63013vendor-advisoryx_refsource_REDHAT

01 Record index

CVE-2026-53185

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-53185

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References