01 Record

CVE-2022-49191

mxser: fix xmit_buf leak in activate when LSR == 0xff

UnratedPUBLISHEDCNA: Linux

CNA base scoreUnratedNo CNA CVSS vector

View raw JSON

02 Description

mxser: fix xmit_buf leak in activate when LSR == 0xff

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: 0.27% probability of exploitation activity in the next 30 days.
EPSS percentile: Ranks above 19.1% 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: Analyzed. NVD last modified this record on 2026-06-17.
Red Hat severity: No Red Hat rating. Red Hat rates the CVEs that affect its products.

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 01:55Z1 YR AGO

Last updated

2026-05-11 18:54Z3 MO AGO

Reserved

2025-02-26

Assigning CNA

Linux

Record state

PUBLISHED

Severity

Not rated by the issuing CNA

CNA CVSS vector

Not published by the issuing CNA

Weaknesses

CWE-401Missing Release of Memory after Effective LifetimeVariant

Data version

5.2

Document digest

04c26512fc5d2d384393ec5d3c9629deb920963260a2e2583a17ad55bf0807b9

05 Affected products

VendorProductVersionsPlatforms

LinuxLinux6769140d304731f0a3b177470a2adb4bacd9036b to < 376922045009f8ea2d20a8fa3475e95b47c41690, 6769140d304731f0a3b177470a2adb4bacd9036b to < 125b7c929fc9b1e5eaa344bceb6367dfa6fd3f9d, 6769140d304731f0a3b177470a2adb4bacd9036b to < 685b6d16bf89595310b5d61394c9b97cc9505c7c, 6769140d304731f0a3b177470a2adb4bacd9036b to < 996291d06851a26678a0fab488b6e1f0677c0576, 6769140d304731f0a3b177470a2adb4bacd9036b to < 2cd05c38a27bee7fb42aa4d43174d68ac55dac0f, 6769140d304731f0a3b177470a2adb4bacd9036b to < b125b08dbee3611f03f53b71471813ed4ccafcdd, 6769140d304731f0a3b177470a2adb4bacd9036b to < 6c9041b2f90c0eace73106f22350e1d2c98f5edc, 6769140d304731f0a3b177470a2adb4bacd9036b to < 6dffc2035fbaada60ca8db59e0962e34f760370a, 6769140d304731f0a3b177470a2adb4bacd9036b to < cd3a4907ee334b40d7aa880c7ab310b154fd5cd4, 2.6.33—

06 References

git.kernel.orghttps://git.kernel.org/stable/c/376922045009f8ea2d20a8fa3475e95b47c41690
git.kernel.orghttps://git.kernel.org/stable/c/125b7c929fc9b1e5eaa344bceb6367dfa6fd3f9d
git.kernel.orghttps://git.kernel.org/stable/c/685b6d16bf89595310b5d61394c9b97cc9505c7c
git.kernel.orghttps://git.kernel.org/stable/c/996291d06851a26678a0fab488b6e1f0677c0576
git.kernel.orghttps://git.kernel.org/stable/c/2cd05c38a27bee7fb42aa4d43174d68ac55dac0f
git.kernel.orghttps://git.kernel.org/stable/c/b125b08dbee3611f03f53b71471813ed4ccafcdd
git.kernel.orghttps://git.kernel.org/stable/c/6c9041b2f90c0eace73106f22350e1d2c98f5edc
git.kernel.orghttps://git.kernel.org/stable/c/6dffc2035fbaada60ca8db59e0962e34f760370a
git.kernel.orghttps://git.kernel.org/stable/c/cd3a4907ee334b40d7aa880c7ab310b154fd5cd4

01 Record index

CVE-2022-49191

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References

02 Records

CVE-2022-49191

02 Description

03 Exploitation and scoring

04 Metadata

05 Affected products

06 References