CVE-2014-7826

NameCVE-2014-7826
Descriptionkernel/trace/trace_syscalls.c in the Linux kernel through 3.17.2 does not properly handle private syscall numbers during use of the ftrace subsystem, which allows local users to gain privileges or cause a denial of service (invalid pointer dereference) via a crafted application.
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)
NVD severityhigh

Vulnerable and fixed packages

The table below lists information on source packages.

Source PackageReleaseVersionStatus
linux (PTS)stretch4.9.228-1fixed
stretch (security)4.9.210-1+deb9u1fixed
buster4.19.146-1fixed
buster (security)4.19.118-2+deb10u1fixed
bullseye, sid5.8.10-1fixed

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

PackageTypeReleaseFixed VersionUrgencyOriginDebian Bugs
linuxsourcewheezy(not affected)
linuxsource(unstable)3.16.7-ckt2-1
linux-2.6source(unstable)(not affected)

Notes

[wheezy] - linux <not-affected> (Vulnerable code introduced later)
- linux-2.6 <not-affected> (Vulnerable code introduced later)
Fixed by https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=086ba77a6db00ed858ff07451bedee197df868c9 (v3.18-rc3)
Support for SOFT_DISABLE to syscall events was added in https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=d562aff93bfb530b0992141500a402d17081189d (v3.13-rc1)

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