CVE-2022-49093

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

0.62% probability of exploitation activity in the next 30 days.

EPSS percentile

Ranks above 46.8% of scored records. A rank, not a probability.

NVD base score

9.8 (CVSS v3.x), scored by the NVD independently of the CNA.

NVD CVSS vector

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

NVD analysis status

Modified. NVD last modified this record on 2026-08-04.

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.

Published

2025-02-26 01:54Z1 YR AGO

Last updated

2026-08-05 08:53Z1 MO 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-416Use After FreeVariant

Data version

5.2

Document digest

0b5abd14be0936d2f1d30d51085e7d06f16de5f81aae97b69e060c6cbbd48e24

• git.kernel.orghttps://git.kernel.org/stable/c/ba965e8605aee5387cecaa28fcf7ee9f61779a49
• git.kernel.orghttps://git.kernel.org/stable/c/c4fa19615806a9a7e518c295b39175aa47a685ac
• git.kernel.orghttps://git.kernel.org/stable/c/72bb856d16e883437023ff2ff77d0c498018728a
• git.kernel.orghttps://git.kernel.org/stable/c/1effe8ca4e34c34cdd9318436a4232dcb582ebf4