CVE-2021-27365

NameCVE-2021-27365
DescriptionAn issue was discovered in the Linux kernel through 5.11.3. Certain iSCSI data structures do not have appropriate length constraints or checks, and can exceed the PAGE_SIZE value. An unprivileged user can send a Netlink message that is associated with iSCSI, and has a length up to the maximum length of a Netlink message.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
ReferencesDLA-2586-1, DLA-2610-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)buster4.19.249-2fixed
buster (security)4.19.304-1fixed
bullseye5.10.209-2fixed
bullseye (security)5.10.216-1fixed
bookworm6.1.76-1fixed
bookworm (security)6.1.90-1fixed
sid, trixie6.7.12-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcestretch4.9.258-1DLA-2586-1
linuxsourcebuster4.19.181-1
linuxsource(unstable)5.10.24-1
linux-4.19sourcestretch4.19.181-1~deb9u1DLA-2610-1

Notes

https://git.kernel.org/linus/ec98ea7070e94cc25a422ec97d1421e28d97b7ee
https://git.kernel.org/linus/f9dbdf97a5bd92b1a49cee3d591b55b11fd7a6d5

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