In the Linux kernel, the following vulnerability has been resolved:

gfs2: fiemap page fault fix

In gfs2_fiemap(), we are calling iomap_fiemap() while holding the inode
glock. This can lead to recursive glock taking if the fiemap buffer is
memory mapped to the same inode and accessing it triggers a page fault.

Fix by disabling page faults for iomap_fiemap() and faulting in the
buffer by hand if necessary.

Fixes xfstest generic/742.

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions
Linux Linux unaffected
Version Status Constraints
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 5d5d9ec957bfa1eb2b05861c19f5d701dd006db7
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < cead3bebf3e318578b8a86a5472015d713d2a8a8
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < e428670cfb2993d8c224effd076242ca6b0950de
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 5d2c4f182ea8516de8682e2b60411c03df00e3ea
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 2e121c53b581e40397ae08090a7af4ed10781fbc
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < 9d15fee888f0e8938c9aeed71ec9c2cbba0c88ab
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 affected < e411d74cc5ba290f85d0dd5e4d1df8f1d6d975d2
Linux Linux affected
Version Status Constraints
5.15.202 unaffected ≤ 5.15.*
6.1.165 unaffected ≤ 6.1.*
6.6.128 unaffected ≤ 6.6.*
6.12.75 unaffected ≤ 6.12.*
6.18.16 unaffected ≤ 6.18.*
6.19.6 unaffected ≤ 6.19.*
7.0 unaffected ≤ *

No data.

No data.

No data.

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://git.kernel.org/stable/c/2e121c53b581e40397ae08090a7af4ed10781fbc cve-icon cve-icon
https://git.kernel.org/stable/c/5d2c4f182ea8516de8682e2b60411c03df00e3ea cve-icon cve-icon
https://git.kernel.org/stable/c/5d5d9ec957bfa1eb2b05861c19f5d701dd006db7 cve-icon cve-icon
https://git.kernel.org/stable/c/9d15fee888f0e8938c9aeed71ec9c2cbba0c88ab cve-icon cve-icon
https://git.kernel.org/stable/c/cead3bebf3e318578b8a86a5472015d713d2a8a8 cve-icon cve-icon
https://git.kernel.org/stable/c/e411d74cc5ba290f85d0dd5e4d1df8f1d6d975d2 cve-icon cve-icon
https://git.kernel.org/stable/c/e428670cfb2993d8c224effd076242ca6b0950de cve-icon cve-icon
History

Wed, 06 May 2026 12:15:00 +0000

Type Values Removed Values Added
Description In the Linux kernel, the following vulnerability has been resolved: gfs2: fiemap page fault fix In gfs2_fiemap(), we are calling iomap_fiemap() while holding the inode glock. This can lead to recursive glock taking if the fiemap buffer is memory mapped to the same inode and accessing it triggers a page fault. Fix by disabling page faults for iomap_fiemap() and faulting in the buffer by hand if necessary. Fixes xfstest generic/742.
Title gfs2: fiemap page fault fix
First Time appeared Linux
Linux linux Kernel
CPEs cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Vendors & Products Linux
Linux linux Kernel
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: Linux

Published:

Updated: 2026-05-06T11:28:49.480Z

Reserved: 2026-05-01T14:12:55.997Z

Link: CVE-2026-43262

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-05-06T12:16:47.133

Modified: 2026-05-06T12:16:47.133

Link: CVE-2026-43262

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

No data.

Weaknesses

No weakness.