CVE-2024-46745

NameCVE-2024-46745
DescriptionIn the Linux kernel, the following vulnerability has been resolved: Input: uinput - reject requests with unreasonable number of slots When exercising uinput interface syzkaller may try setting up device with a really large number of slots, which causes memory allocation failure in input_mt_init_slots(). While this allocation failure is handled properly and request is rejected, it results in syzkaller reports. Additionally, such request may put undue burden on the system which will try to free a lot of memory for a bogus request. Fix it by limiting allowed number of slots to 100. This can easily be extended if we see devices that can track more than 100 contacts.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-3912-1, DSA-5782-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)bullseye5.10.223-1vulnerable
bullseye (security)5.10.226-1fixed
bookworm6.1.106-3vulnerable
bookworm (security)6.1.112-1fixed
trixie6.10.11-1fixed
sid6.11.2-1fixed

The information below is based on the following data on fixed versions.

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcebullseye5.10.226-1DLA-3912-1
linuxsourcebookworm6.1.112-1DSA-5782-1
linuxsource(unstable)6.10.11-1

Notes

https://git.kernel.org/linus/206f533a0a7c683982af473079c4111f4a0f9f5e (6.11-rc5)

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