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Debian Security Bug TrackerDEBIANCVE:CVE-2024-27069

HistoryMay 01, 2024 - 1:15 p.m.

CVE-2024-27069

2024-05-0113:15:50

Debian Security Bug Tracker

security-tracker.debian.org

linux kernel

vulnerability resolved

ovl

syzbot

copy up

assertion

undefined behavior

overlayfs

eio error

6.5 Medium

AI Score

Confidence

High

0.0004 Low

EPSS

Percentile

9.2%

JSON

In the Linux kernel, the following vulnerability has been resolved: ovl: relax WARN_ON in ovl_verify_area() syzbot hit an assertion in copy up data loop which looks like it is the result of a lower file whose size is being changed underneath overlayfs. This type of use case is documented to cause undefined behavior, so returning EIO error for the copy up makes sense, but it should not be causing a WARN_ON assertion.

OSVersionArchitecturePackageVersionFilename
Debian12alllinux< 6.1.94-1linux_6.1.94-1_all.deb
Debian11alllinux< 5.10.218-1linux_5.10.218-1_all.deb
Debian999alllinux< 6.9.7-1linux_6.9.7-1_all.deb
Debian13alllinux< 6.9.7-1linux_6.9.7-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	linux	< 6.1.94-1	linux_6.1.94-1_all.deb
Debian	11	all	linux	< 5.10.218-1	linux_5.10.218-1_all.deb
Debian	999	all	linux	< 6.9.7-1	linux_6.9.7-1_all.deb
Debian	13	all	linux	< 6.9.7-1	linux_6.9.7-1_all.deb