CVE-2026-31514

medium

In the Linux kernel, the following vulnerability has been resolved: erofs: set fileio bio failed in short read case For file-backed mount, IO requests are ha…

Vendor / product: Linux — linux kernel

In the Linux kernel, the following vulnerability has been resolved: erofs: set fileio bio failed in short read case For file-backed mount, IO requests are handled by vfs_iocb_iter_read(). However, it can be interrupted by SIGKILL, returning the number of bytes actually copied. Unused folios in bio are unexpectedly marked as uptodate. vfs_read filemap_read filemap_get_pages filemap_readahead erofs_fileio_readahead erofs_fileio_rq_submit vfs_iocb_iter_read filemap_read filemap_get_pages

CVSS

5.5

5.5 (CVSS v3.1)

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

Severity source: NVD CVSS v3.1 (nvd@nist.gov)

Timeline (UTC)

Published: 2026-04-22 14:16

Modified: 2026-11-11 23:10

NVD status: Analyzed

Last synced 3 hours ago

Verified against the source API 2026-11-11 23:12 UTC

Exploitation

Not listed in CISA KEV (as of last catalog sync)

Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).

Affected products

linux / linux_kernel ≥6.12.75 <6.12.80, ≥6.18.14 <6.18.21, ≥6.19.4 <6.19.11

Weakness classification (CWE)

NVD-CWE-noinfo

Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.

Mitigation & advisories

Patch / mitigation: https://git.kernel.org/stable/c/5a5f23ef5431639db1ac3a0b274aef3a84cc413c

Patch / mitigation: https://git.kernel.org/stable/c/5cf3972c8221abdb1b464a14ccf8103d840b9085

Patch / mitigation: https://git.kernel.org/stable/c/d1ba7d6b3cd1757b108d7b6856c92ae661d6c323

Patch / mitigation: https://git.kernel.org/stable/c/eade54040384f54b7fb330e4b0975c5734850b3c

References

https://git.kernel.org/stable/c/5a5f23ef5431639db1ac3a0b274aef3a84cc413c 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/5cf3972c8221abdb1b464a14ccf8103d840b9085 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/d1ba7d6b3cd1757b108d7b6856c92ae661d6c323 416baaa9-dc9f-4396-8d5f-8c081fb06d67
https://git.kernel.org/stable/c/eade54040384f54b7fb330e4b0975c5734850b3c 416baaa9-dc9f-4396-8d5f-8c081fb06d67

Data sources

NVD CVE API 2.0 — fetched 2026-11-11 23:12 UTC · record ↗

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CVE-2026-31514

Affected products

Weakness classification (CWE)

Mitigation & advisories

References

Data sources

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