01 Record

CVE-2022-49407

dlm: fix plock invalid read

CriticalPUBLISHEDCNA: Linux

CNA base score9.8 CVSS v3.xCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

View raw JSON

02 Description

dlm: fix plock invalid read

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.
AutomatableyesAn attacker can reliably automate reconnaissance through exploitation, so this scales.
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

0.86% probability of exploitation activity in the next 30 days.

EPSS percentile

Equal to or higher than the score of 58.3% of scored records. A rank, not a probability.

NVD base score

7.1 (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:N/A:H

NVD analysis status

Modified. NVD last modified this record on 2026-10-15.

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

2025-02-26 02:12Z1 YR AGO

Last updated

2026-10-15 21:21Z13 DAYS AGO

Reserved

2025-02-26

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Critical (CVSS 9.8)

CNA CVSS vector

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

Weaknesses

CWE-125Out-of-bounds ReadBase

Data version

5.2

Document digest

0d722299555ccefbd732621c0a356577915e45adbf2c874c9a09d989d6bc3fa0

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux586759f03e2e9031ac5589912a51a909ed53c30a to < 2c55155cc365861044d9e6e80e342693e8805e33, 586759f03e2e9031ac5589912a51a909ed53c30a to < 72f2f68970f9bdc252d59e119b385a6441b0b155, 586759f03e2e9031ac5589912a51a909ed53c30a to < 5a1765adf9855cf0f6d3f7e0eb4b78ca66f70dee, 586759f03e2e9031ac5589912a51a909ed53c30a to < 49cd9eb7b9a7b88124b31e31f8e539acaf1b3a6d, 586759f03e2e9031ac5589912a51a909ed53c30a to < 899bc4429174861122f0c236588700a4710c1fec, 586759f03e2e9031ac5589912a51a909ed53c30a to < acdad5bc9827922ec2f2e84fd198718aa8e8ab92, 586759f03e2e9031ac5589912a51a909ed53c30a to < 56aa8d1fbd02357f3bf81bdfba1cde87ce8402fc, 586759f03e2e9031ac5589912a51a909ed53c30a to < e421872fa17542cf33747071fb141b0130ce9ef7, 586759f03e2e9031ac5589912a51a909ed53c30a to < 42252d0d2aa9b94d168241710a761588b3959019, 2.6.22—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/2c55155cc365861044d9e6e80e342693e8805e33
git.kernel.orghttps://git.kernel.org/stable/c/72f2f68970f9bdc252d59e119b385a6441b0b155
git.kernel.orghttps://git.kernel.org/stable/c/5a1765adf9855cf0f6d3f7e0eb4b78ca66f70dee
git.kernel.orghttps://git.kernel.org/stable/c/49cd9eb7b9a7b88124b31e31f8e539acaf1b3a6d
git.kernel.orghttps://git.kernel.org/stable/c/899bc4429174861122f0c236588700a4710c1fec
git.kernel.orghttps://git.kernel.org/stable/c/acdad5bc9827922ec2f2e84fd198718aa8e8ab92
git.kernel.orghttps://git.kernel.org/stable/c/56aa8d1fbd02357f3bf81bdfba1cde87ce8402fc
git.kernel.orghttps://git.kernel.org/stable/c/e421872fa17542cf33747071fb141b0130ce9ef7
git.kernel.orghttps://git.kernel.org/stable/c/42252d0d2aa9b94d168241710a761588b3959019

07 Fixed in

Debian 12

linux
Fixed in 5.18.5-1

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

Debian 13

linux
Fixed in 5.18.5-1

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

Debian 14

linux
Fixed in 5.18.5-1

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