01 Record

CVE-2026-89548

SUNRPC: always drain cache_cleaner before destroying a cache_detail

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

SUNRPC: always drain cache_cleaner before destroying a cache_detail

03 Exploitation and scoring

Exploitation

Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.

SSVC decision

ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.

CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.

EPSS probability

0.12% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 1.9% 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

Received. NVD last modified this record on 2026-10-19.

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

2026-09-11 19:44Z1 MO AGO

Last updated

2026-10-19 08:48Z10 DAYS AGO

Reserved

2026-09-11

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-825Expired Pointer DereferenceBase

Data version

5.2

Document digest

72c295abaaba66f0b3b7343a610dacbaba2fe4eae81ad91dd28d4e6fadfd2185

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux820f9442e711a81749e70c40f149fc54c4ce0ca8 to < dec787a15c96a5665e9ffc61b429a6a4ab26e6b9, 820f9442e711a81749e70c40f149fc54c4ce0ca8 to < 5eea874a696201c31e7c2d7badbfa0d90e9961b5, 820f9442e711a81749e70c40f149fc54c4ce0ca8 to < cf239de7fdcc8336259b01ea4bcf650dadad1040, 820f9442e711a81749e70c40f149fc54c4ce0ca8 to < 6d74ecc2be120a0c300b224b7649fe93c0453714, 820f9442e711a81749e70c40f149fc54c4ce0ca8 to < 9d44836f60c8c29bcdb1471fd9202387c642a890, 820f9442e711a81749e70c40f149fc54c4ce0ca8 to < 2e861ce2aaa468351a6a47c4cbb4971ebb740c7b, 820f9442e711a81749e70c40f149fc54c4ce0ca8 to < 3d60fdf951143d6ef4e352e2f8eb852286701726, 820f9442e711a81749e70c40f149fc54c4ce0ca8 to < f42d0fda0c67695db6bc704b04b7c10240805377, 3.4—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/dec787a15c96a5665e9ffc61b429a6a4ab26e6b9
git.kernel.orghttps://git.kernel.org/stable/c/5eea874a696201c31e7c2d7badbfa0d90e9961b5
git.kernel.orghttps://git.kernel.org/stable/c/cf239de7fdcc8336259b01ea4bcf650dadad1040
git.kernel.orghttps://git.kernel.org/stable/c/6d74ecc2be120a0c300b224b7649fe93c0453714
git.kernel.orghttps://git.kernel.org/stable/c/9d44836f60c8c29bcdb1471fd9202387c642a890
git.kernel.orghttps://git.kernel.org/stable/c/2e861ce2aaa468351a6a47c4cbb4971ebb740c7b
git.kernel.orghttps://git.kernel.org/stable/c/3d60fdf951143d6ef4e352e2f8eb852286701726
git.kernel.orghttps://git.kernel.org/stable/c/f42d0fda0c67695db6bc704b04b7c10240805377

07 Fixed in

Debian 12

linux
Fixed in 6.1.190-1
linux-6.12
Fixed in 6.12.111-1~deb12u1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 13

linux
Fixed in 6.12.111-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.

Debian 14

linux
Fixed in 7.2.6-1

Source: Debian Security Tracker, the Debian security team. Received through OSV.dev. Reformatted by exploit.cc.