Vulnerability-Lookup

FKIE_CVE-2026-31447

Vulnerability from fkie_nvd - Published: 2026-04-22 14:16 - Updated: 2026-05-07 19:18

Severity

7.8 (High) - CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Summary

In the Linux kernel, the following vulnerability has been resolved: ext4: reject mount if bigalloc with s_first_data_block != 0 bigalloc with s_first_data_block != 0 is not supported, reject mounting it.

References

URL	Tags
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3822743dc20386d9897e999dbb990befa3a5b3f8	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/3a926957cc95899ef88529710836edadc03c71a1	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/5ad6d994255e27a3254079dfb50ca861fc31f2d0	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7b58c110b4e1f028eb38eec9ed3555e9be81c8b0	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/7d5b04290156c3fc316eecc86a4f9d201ab7d44a	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/ad1f6d608f33f59d21a3d025615d6786a6443998	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/b77de3fceafbb39f30e4ff5dc986f863d5456417	Patch
416baaa9-dc9f-4396-8d5f-8c081fb06d67	https://git.kernel.org/stable/c/d787d3ae96648dc14a3b7ca8fde817177e82c1c7	Patch

Impacted products

Vendor	Product	Version
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	*
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0
linux	linux_kernel	7.0

JSON

To clipboard

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CVE-2026-31447 (GCVE-0-2026-31447)

Vulnerability from cvelistv5 – Published: 2026-04-22 13:53 – Updated: 2026-05-11 22:08

Title

ext4: reject mount if bigalloc with s_first_data_block != 0

Summary

Severity

7.8 (High)


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

Assigner

Linux

References

8 references

URL	Tags
https://git.kernel.org/stable/c/5ad6d994255e27a32…
https://git.kernel.org/stable/c/3a926957cc95899ef…
https://git.kernel.org/stable/c/7b58c110b4e1f028e…
https://git.kernel.org/stable/c/b77de3fceafbb39f3…
https://git.kernel.org/stable/c/d787d3ae96648dc14…
https://git.kernel.org/stable/c/ad1f6d608f33f59d2…
https://git.kernel.org/stable/c/7d5b04290156c3fc3…
https://git.kernel.org/stable/c/3822743dc20386d98…

Impacted products

2 products

Vendor	Product	Version
Linux	Linux	Affected: 281b59959707dfae03ce038cdf231bf4904e170c , < 5ad6d994255e27a3254079dfb50ca861fc31f2d0 (git) Affected: 281b59959707dfae03ce038cdf231bf4904e170c , < 3a926957cc95899ef88529710836edadc03c71a1 (git) Affected: 281b59959707dfae03ce038cdf231bf4904e170c , < 7b58c110b4e1f028eb38eec9ed3555e9be81c8b0 (git) Affected: 281b59959707dfae03ce038cdf231bf4904e170c , < b77de3fceafbb39f30e4ff5dc986f863d5456417 (git) Affected: 281b59959707dfae03ce038cdf231bf4904e170c , < d787d3ae96648dc14a3b7ca8fde817177e82c1c7 (git) Affected: 281b59959707dfae03ce038cdf231bf4904e170c , < ad1f6d608f33f59d21a3d025615d6786a6443998 (git) Affected: 281b59959707dfae03ce038cdf231bf4904e170c , < 7d5b04290156c3fc316eecc86a4f9d201ab7d44a (git) Affected: 281b59959707dfae03ce038cdf231bf4904e170c , < 3822743dc20386d9897e999dbb990befa3a5b3f8 (git)
Linux	Linux	Affected: 3.2 Unaffected: 0 , < 3.2 (semver) Unaffected: 5.10.253 , ≤ 5.10.* (semver) Unaffected: 5.15.203 , ≤ 5.15.* (semver) Unaffected: 6.1.168 , ≤ 6.1.* (semver) Unaffected: 6.6.131 , ≤ 6.6.* (semver) Unaffected: 6.12.80 , ≤ 6.12.* (semver) Unaffected: 6.18.21 , ≤ 6.18.* (semver) Unaffected: 6.19.11 , ≤ 6.19.* (semver) Unaffected: 7.0 , ≤ * (original_commit_for_fix)

Show details on NVD website

JSON

To clipboard

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Sightings

Author	Source	Type	Date	Other

Nomenclature

Seen: The vulnerability was mentioned, discussed, or observed by the user.
Confirmed: The vulnerability has been validated from an analyst's perspective.
Published Proof of Concept: A public proof of concept is available for this vulnerability.
Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
Not confirmed: The user expressed doubt about the validity of the vulnerability.
Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.

Detection rules are retrieved from Rulezet.

Action not permitted

FKIE_CVE-2026-31447

CVE-2026-31447 (GCVE-0-2026-31447)

Tags

Sightings

Nomenclature