CVE-2024-27392

High

In the Linux kernel, the following vulnerability has been resolved: nvme: host: fix double-free of struct nvme_id_ns in ns_update_nuse() When nvme_identify_ns() fails, it frees the pointer to the struct nvme_id_ns before it returns. However, ns_update_nuse() calls kfree() for the pointer even when nvme_identify_ns() fails. This results in KASAN double-free, which was observed with blktests nvme/045 with proposed patches [1] on the kernel v6.8-rc7. Fix the double-free by skipping kfree() when nvme_identify_ns() fails.

Package Linux Kernel
Published 2024-05-01
Last modified 2024-12-26
CVSS version 3.1
Patch available
Yes

CVSS 3.1 score

7.8

out of 10
High
Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
None
Scope
Unchanged
Confidentiality
High
Integrity
High
Availability
High
Vector string
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness type

CWE-415

CVE-2024-27392 is classified as CWE-415

See CWE-415 on MITRE CWE for full details on this weakness type.

Affected versions

Linux kernel versions 6.8 and later are affected. Fixed in 6.8.2, 6.9 and their respective stable series.

Affected from
≥ 6.8
Fixed in
✓ 6.8.2 6.8.x ✓ 6.9

Frequently asked questions

  • What is CVE-2024-27392?

    CVE-2024-27392 is a High severity Linux kernel vulnerability with a CVSS score of 7.8 out of 10 . It affects Linux kernel versions from 6.8 onward and has been patched in 6.8.2 and 6.9. CVE-2024-27392 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.

  • What is the CVSS score for CVE-2024-27392?

    CVE-2024-27392 has a CVSS score of 7.8 out of 10, rated High severity (CVSS 3.1). The vector string is CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H .

  • Is there a patch available for CVE-2024-27392?

    Yes. CVE-2024-27392 has been patched. Fixed versions include 6.8.2 and 6.9. If you are running Linux kernel 6.8 or later up to the fix versions, apply the relevant patch for your kernel branch.

  • Is CVE-2024-27392 actively exploited?

    No. CVE-2024-27392 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.