CVE-2018-16658

NameCVE-2018-16658
DescriptionAn issue was discovered in the Linux kernel before 4.18.6. An information leak in cdrom_ioctl_drive_status in drivers/cdrom/cdrom.c could be used by local attackers to read kernel memory because a cast from unsigned long to int interferes with bounds checking. This is similar to CVE-2018-10940.
SourceCVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub code/issues, web search, more)
ReferencesDLA-1529-1, DLA-1531-1, DSA-4308-1
NVD severitylow (attack range: local)

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)jessie3.16.56-1+deb8u1vulnerable
jessie (security)3.16.59-1fixed
stretch4.9.130-2fixed
stretch (security)4.9.110-3+deb9u6fixed
buster, sid4.18.20-2fixed
linux-4.9 (PTS)jessie (security)4.9.110-3+deb9u5~deb8u1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsource(unstable)4.18.6-1low
linuxsourcejessie3.16.59-1lowDLA-1529-1
linuxsourcestretch4.9.110-3+deb9u5lowDSA-4308-1
linux-4.9sourcejessie4.9.110-3+deb9u5~deb8u1lowDLA-1531-1

Notes

Fixed by: https://git.kernel.org/linus/8f3fafc9c2f0ece10832c25f7ffcb07c97a32ad4 (4.19-rc2)

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