CVE-2017-5550

Impact

Off-by-one error in the pipe_advance function in lib/iov_iter.c in the Linux kernel before 4.9.5 allows local users to obtain sensitive information from uninitialized heap-memory locations in opportunistic circumstances by reading from a pipe after an incorrect buffer-release decision.

Affected products

Weakness classification

References

• NVD record
• CVE.org record
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fb
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5
• http://www.openwall.com/lists/oss-security/2017/01/21/3
• http://www.securityfocus.com/bid/95716
• https://bugzilla.redhat.com/show_bug.cgi?id=1416116
• https://github.com/torvalds/linux/commit/b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fb
• http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fb
• http://www.kernel.org/pub/linux/kernel/v4.x/ChangeLog-4.9.5
• http://www.openwall.com/lists/oss-security/2017/01/21/3
• http://www.securityfocus.com/bid/95716
• https://bugzilla.redhat.com/show_bug.cgi?id=1416116
• https://github.com/torvalds/linux/commit/b9dc6f65bc5e232d1c05fe34b5daadc7e8bbf1fb