01 Record

CVE-2026-43163

md/bitmap: fix GPF in write_page caused by resize race

UnratedPUBLISHEDCNA: Linux

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

md/bitmap: fix GPF in write_page caused by resize race

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: 0.09% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 0.6% of scored records. A rank, not a probability.
NVD base score: 4.7 (CVSS v3.x), scored by the NVD independently of the CNA.
NVD CVSS vector: CVSS:3.1/AV:L/AC:H/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: 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

2026-05-06 11:27Z4 MO AGO

Last updated

2026-05-11 22:18Z3 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-362Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')Class
CWE-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

1271f058b1c5a3ebf9ed9c082b59d179bc548e216084f271cf9bd8ff49ffdfc6

05 Affected products

VendorProductVersionsPlatforms

LinuxLinuxd60b479d177a5735b6b4db6ee5280ef6653f50e7 to < 140cc839fbeb1ddb33a8da8811b716d88d3905b7, d60b479d177a5735b6b4db6ee5280ef6653f50e7 to < ebcacc7ca22d5e8a03a970f0621ae1d1356b9ae8, d60b479d177a5735b6b4db6ee5280ef6653f50e7 to < d3af62411e19752c663fe4f424dbf49d95a4cc7c, d60b479d177a5735b6b4db6ee5280ef6653f50e7 to < d92b8fac294b5f915c50e65ce4ae2262e53614ec, d60b479d177a5735b6b4db6ee5280ef6653f50e7 to < a437e3bf30e32846079e470c1ba5ee790bccdf89, d60b479d177a5735b6b4db6ee5280ef6653f50e7 to < 9a6f8cd28bb9bb6ed86a6df19331fb08016dee7f, d60b479d177a5735b6b4db6ee5280ef6653f50e7 to < 5f73c8b33df9a605a591eab72d43a969600c1f8c, d60b479d177a5735b6b4db6ee5280ef6653f50e7 to < 46ef85f854dfa9d5226b3c1c46493d79556c9589, 3.5—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/140cc839fbeb1ddb33a8da8811b716d88d3905b7
git.kernel.orghttps://git.kernel.org/stable/c/ebcacc7ca22d5e8a03a970f0621ae1d1356b9ae8
git.kernel.orghttps://git.kernel.org/stable/c/d3af62411e19752c663fe4f424dbf49d95a4cc7c
git.kernel.orghttps://git.kernel.org/stable/c/d92b8fac294b5f915c50e65ce4ae2262e53614ec
git.kernel.orghttps://git.kernel.org/stable/c/a437e3bf30e32846079e470c1ba5ee790bccdf89
git.kernel.orghttps://git.kernel.org/stable/c/9a6f8cd28bb9bb6ed86a6df19331fb08016dee7f
git.kernel.orghttps://git.kernel.org/stable/c/5f73c8b33df9a605a591eab72d43a969600c1f8c
git.kernel.orghttps://git.kernel.org/stable/c/46ef85f854dfa9d5226b3c1c46493d79556c9589

01 Record index

CVE-2026-43163

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-43163

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References