SECUFOCUSNOW
Home›CVE index›CVE-2023-53194
Review reviewHigh

CVE-2023-53194

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Add length check in indx_get_root This adds a length check to guarantee the retrieved index root is legit. [ 162.459513] BUG: KASAN: use-after-free in hdr_find_e.isra.0+0x10c/0x320 [ 162.460176] Read of size 2 at addr ffff8880037bca99 by task mount/243 [ 162.460851] [ 162.461252] CPU: 0 PID: 243 Comm: mount Not tainted 6.0.0-rc7 #42 [ 162.461744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 162.462609] Call Trace: [ 162.462954] <TASK> [ 162.4...

CVSS
7.8
EPSS
-
- percentile
CISA KEV
Not listed
Published
2025.09.15
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability-
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Add length check in indx_get_root This adds a length check to guarantee the retrieved index root is legit. [ 162.459513] BUG: KASAN: use-after-free in hdr_find_e.isra.0+0x10c/0x320 [ 162.460176] Read of size 2 at addr ffff8880037bca99 by task mount/243 [ 162.460851] [ 162.461252] CPU: 0 PID: 243 Comm: mount Not tainted 6.0.0-rc7 #42 [ 162.461744] Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.14.0-0-g155821a1990b-prebuilt.qemu.org 04/01/2014 [ 162.462609] Call Trace: [ 162.462954] <TASK> [ 162.4...

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e < 85afd3007465f8bc74afffbf5b84ec29f5310b03, >= 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e < 0d04e45c65f0785e558b93d2631d58680f263e10, >= 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e < eb5b59931d20f3b02076fae49e85282310b12012, >= 4534a70b7056fd4b9a1c6db5a4ce3c98546b291e < 08e8cf5f2d9ec383a2e339a2711b62a54ff3fba0, >= 5.15, >= 5.15 < 5.15.113, >= 5.16 < 6.1.81, >= 6.2 < 6.3.4
Fixed versions
5.15.113, 6.1.81, 6.3.4

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416