01 Record

CVE-2026-31686

mm/kasan: fix double free for kasan pXds

UnratedPUBLISHEDCNA: Linux

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

mm/kasan: fix double free for kasan pXds

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: 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 2026-06-17.
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

2026-04-27 17:30Z4 MO AGO

Last updated

2026-06-14 17:43Z2 MO AGO

Reserved

2026-03-09

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-415Double FreeVariant
CWE-763Release of Invalid Pointer or ReferenceBase

Data version

5.2

Document digest

7620194a47cd01d7cac596006f36020677bd1c6aa8df0ee0ada05cd4c1f8a38c

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux0207df4fa1a869281ddbf72db6203dbf036b3e1a to < 7d7b2d5c107a1f6302cf0006d859985e7c3ddd1c, 0207df4fa1a869281ddbf72db6203dbf036b3e1a to < 3298bdf5a878ded06351eb293856fa84e050029e, 0207df4fa1a869281ddbf72db6203dbf036b3e1a to < 2277246ea265cdca64ce6fdea4b26cd6ff0ec4db, 0207df4fa1a869281ddbf72db6203dbf036b3e1a to < cec74b2ab7dff866b1d77eaa545b9e8fd14a1f87, 0207df4fa1a869281ddbf72db6203dbf036b3e1a to < a05f77cb227c39c5069aea6f12762a29d1e6c103, 0207df4fa1a869281ddbf72db6203dbf036b3e1a to < f6204f7ff6aff62ce6242a76982c5ba3a9ded707, 0207df4fa1a869281ddbf72db6203dbf036b3e1a to < 85d98614e089a67dc6faa8ca766fe10a639f82b4, 0207df4fa1a869281ddbf72db6203dbf036b3e1a to < b38237a2ea9c6c19836eee2c57037e1f9f103576, 0207df4fa1a869281ddbf72db6203dbf036b3e1a to < 51d8c78be0c27ddb91bc2c0263941d8b30a47d3b, 4.19—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/7d7b2d5c107a1f6302cf0006d859985e7c3ddd1c
git.kernel.orghttps://git.kernel.org/stable/c/3298bdf5a878ded06351eb293856fa84e050029e
git.kernel.orghttps://git.kernel.org/stable/c/2277246ea265cdca64ce6fdea4b26cd6ff0ec4db
git.kernel.orghttps://git.kernel.org/stable/c/cec74b2ab7dff866b1d77eaa545b9e8fd14a1f87
git.kernel.orghttps://git.kernel.org/stable/c/a05f77cb227c39c5069aea6f12762a29d1e6c103
git.kernel.orghttps://git.kernel.org/stable/c/f6204f7ff6aff62ce6242a76982c5ba3a9ded707
git.kernel.orghttps://git.kernel.org/stable/c/85d98614e089a67dc6faa8ca766fe10a639f82b4
git.kernel.orghttps://git.kernel.org/stable/c/b38237a2ea9c6c19836eee2c57037e1f9f103576
git.kernel.orghttps://git.kernel.org/stable/c/51d8c78be0c27ddb91bc2c0263941d8b30a47d3b

01 Record index

CVE-2026-31686

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2026-31686

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References