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PRIOn knowledge basePRION:CVE-2016-2383

HistoryApr 27, 2016 - 5:59 p.m.

Design/Logic Flaw

2016-04-2717:59:00

PRIOn knowledge base

www.prio-n.com

6

6 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

5.1%

The adjust_branches function in kernel/bpf/verifier.c in the Linux kernel before 4.5 does not consider the delta in the backward-jump case, which allows local users to obtain sensitive information from kernel memory by creating a packet filter and then loading crafted BPF instructions.

CPENameOperatorVersion
ubuntu_linuxeq15.10
ubuntu_linuxeq14.04
linux_kerneleq4.5.0 rc1
linux_kernellt4.5.0
linux_kerneleq4.5.0 rc2
linux_kerneleq4.5.0 rc3
leapeq42.1

References

git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=a1b14d27ed0965838350f1377ff97c93ee383492

lists.opensuse.org/opensuse-security-announce/2016-04/msg00015.html

www.openwall.com/lists/oss-security/2016/02/14/1

www.ubuntu.com/usn/USN-2947-1

www.ubuntu.com/usn/USN-2947-2

www.ubuntu.com/usn/USN-2947-3

bugzilla.redhat.com/show_bug.cgi?id=1308452

github.com/torvalds/linux/commit/a1b14d27ed0965838350f1377ff97c93ee383492

6 Medium

AI Score

Confidence

Low

0.0004 Low

EPSS

Percentile

5.1%

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