CVE-2022-2978

HIGH

7.8

CVSS Score

Published: August 24, 2022 at 12:00 AM UTC

Updated: October 14, 2026 at 02:17 PM UTC

3 products affected across 3 vendorsLinux KernelDebian LinuxKernel

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Severity

HIGH7.8

Exploit prediction

EPSS 0.2%

Description

A flaw use after free in the Linux kernel NILFS file system was found in the way user triggers function security_inode_alloc to fail with following call to function nilfs_mdt_destroy. A local user could use this flaw to crash the system or potentially escalate their privileges on the system.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Debian Linux · Debiandrupal

95%

10.0

Linux Kernel · Linux

95%

2.6.12 ≤ v < 4.9.3314.10 ≤ v < 4.14.2964.15 ≤ v < 4.19.2624.20 ≤ v < 5.4.2185.11 ≤ v < 5.15.735.16 ≤ v < 5.19.155.5 ≤ v < 5.10.1486.0 ≤ v < 6.0.1

Affected range stops below 4.14.296, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.19.262, so it looks safe — our inference, not a vendor statement

Affected range stops below 4.9.331, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.10.148, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.15.73, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.19.15, so it looks safe — our inference, not a vendor statement

Affected range stops below 5.4.218, so it looks safe — our inference, not a vendor statement

Affected range stops below 6.0.1, so it looks safe — our inference, not a vendor statement

Kernel · Red Hat

60%

Linux kernel 6.0-rc3

Remediation

No guide yet

No remediation guidance has been written for this CVE yet, and no fixed version or vendor advisory is recorded against it.

References (3)

Mailing ListThird Party Advisory

Source: [email protected]

https://lists.debian.org/debian-lts-announce/2022/12/msg00034.html

Source: [email protected]

https://lore.kernel.org/linux-fsdevel/20220816040859.659129-1-dzm91%40hust.edu.cn/T/#u

Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e

https://cert-portal.siemens.com/productcert/html/ssa-794697.html

CVSS

7.8HIGH[email protected]

Attack Vector: LOCAL
Complexity: LOW
Privileges: LOW
User Interaction: NONE
Scope: UNCHANGED
Confidentiality: HIGH
Integrity: HIGH
Availability: HIGH

Vector?

Quick Info

StatusMODIFIED

CWE

CWE-416

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