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CVE-2024-49968

ext4: filesystems without casefold feature cannot be mounted with siphash

MEDIUM
5.5
CVSS Score
Published: October 21, 2024 at 06:02 PM UTC
Updated: October 15, 2026 at 01:19 AM UTC
4 products affected across 2 vendorsLinux KernelSIMATIC S7-1500 CPU 1518-4 Pn /dp MFP FirmwareSiplus S7-1500 CPU 1518-4 Pn /dp MFP Firmware

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Severity
MEDIUM5.5
Exploit prediction
EPSS 0.2%
SSVC
No known exploit

Description

In the Linux kernel, the following vulnerability has been resolved: ext4: filesystems without casefold feature cannot be mounted with siphash When mounting the ext4 filesystem, if the default hash version is set to DX_HASH_SIPHASH but the casefold feature is not set, exit the mounting.

Affected

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

Linux Kernel· Linux
95%
v < 6.11.3471fbbea7ff7061b2d6474665cb5a2ceb4fd65005.13
Vendor states this is fixed in 11bd1c279bac701ba91119875796ffff3b98250e (fixed)
Vendor states this is fixed in 52c4538a92da6f3242d4140c03ddc5ee71b39ba8 (fixed)
Vendor states this is fixed in 86b81d4eab1cd4c56f7447896232cf33472c2395 (fixed)
Vendor states this is fixed in 985b67cd86392310d9e9326de941c22fc9340eec (fixed)
Vendor states this is fixed in e1373903db6c4ac994de0d18076280ad88e12dee (fixed)
Vendor states this is fixed in 5.13 (unaffected)
Vendor states this is fixed in 5.15.198 (unaffected)
Vendor states this is fixed in 6.1.160 (unaffected)
Vendor states this is fixed in 6.11.3 (unaffected)
Vendor states this is fixed in 6.12 (unaffected)
Vendor states this is fixed in 6.6.120 (unaffected)
SIMATIC S7-1500 CPU 1518-4 Pn /dp MFP Firmware· Siemens
60%
v ≥ V3.1.63.1.6
SIMATIC S7-1500 CPU 1518F 4 Pn /dp MFP Firmware· Siemens
60%
v ≥ V3.1.63.1.6
Siplus S7-1500 CPU 1518-4 Pn /dp MFP Firmware· Siemens
60%
v ≥ V3.1.63.1.6

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (7)

Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/985b67cd86392310d9e9326de941c22fc9340eec
Patch
Source: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/e1373903db6c4ac994de0d18076280ad88e12dee
Source: cverecord
https://git.kernel.org/stable/c/11bd1c279bac701ba91119875796ffff3b98250e
Source: cverecord
https://git.kernel.org/stable/c/52c4538a92da6f3242d4140c03ddc5ee71b39ba8
Source: cverecord
https://git.kernel.org/stable/c/86b81d4eab1cd4c56f7447896232cf33472c2395
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-019113.html
Source: 0b142b55-0307-4c5a-b3c9-f314f3fb7c5e
https://cert-portal.siemens.com/productcert/html/ssa-457936.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.5MEDIUM[email protected]
Attack Vector
LOCAL
Complexity
LOW
Privileges
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
NONE
Integrity
NONE
Availability
HIGH
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfo

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