01 Record

CVE-2026-23444

wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure

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

wifi: mac80211: always free skb on ieee80211_tx_prepare_skb() failure

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: 0.13% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 3.0% 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: Modified. NVD last modified this record on 2026-07-24.
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

2026-04-03 15:15Z5 MO AGO

Last updated

2026-08-05 12:21Z1 MO AGO

Reserved

2026-01-13

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-401Missing Release of Memory after Effective LifetimeVariant
CWE-1341Multiple Releases of Same Resource or HandleBase

Data version

5.2

Document digest

fb77c6fbce85d360a34f5563886a0ea89372195b44c38fcb79ae66f6639f5a2c

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux06be6b149f7e406bcf16098567f5a6c9f042bced to < 905ef207d5ed99ca64adfe39fba9ac46e434327a, 06be6b149f7e406bcf16098567f5a6c9f042bced to < 5ef8ca1c164786da24169af155c1ca1ff1353cf8, 06be6b149f7e406bcf16098567f5a6c9f042bced to < 9a779d1f480e83720b5384adf165604e7ee226bd, 06be6b149f7e406bcf16098567f5a6c9f042bced to < f77b51bcee7be2bb686b5f7a2d4a1921e4bdb9f4, 06be6b149f7e406bcf16098567f5a6c9f042bced to < 3b4d27acafaeab478fd24f79ad6e593a892828b9, 06be6b149f7e406bcf16098567f5a6c9f042bced to < 06e769dddcbeb3baf2ce346273b53dd61fdbecf4, 06be6b149f7e406bcf16098567f5a6c9f042bced to < 50f1b690b4868923fbd242298def2fb88662f108, 06be6b149f7e406bcf16098567f5a6c9f042bced to < d5ad6ab61cbd89afdb60881f6274f74328af3ee9, 3.13—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/905ef207d5ed99ca64adfe39fba9ac46e434327a
git.kernel.orghttps://git.kernel.org/stable/c/5ef8ca1c164786da24169af155c1ca1ff1353cf8
git.kernel.orghttps://git.kernel.org/stable/c/9a779d1f480e83720b5384adf165604e7ee226bd
git.kernel.orghttps://git.kernel.org/stable/c/f77b51bcee7be2bb686b5f7a2d4a1921e4bdb9f4
git.kernel.orghttps://git.kernel.org/stable/c/3b4d27acafaeab478fd24f79ad6e593a892828b9
git.kernel.orghttps://git.kernel.org/stable/c/06e769dddcbeb3baf2ce346273b53dd61fdbecf4
git.kernel.orghttps://git.kernel.org/stable/c/50f1b690b4868923fbd242298def2fb88662f108
git.kernel.orghttps://git.kernel.org/stable/c/d5ad6ab61cbd89afdb60881f6274f74328af3ee9

01 Record index

CVE-2026-23444

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-23444

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References