From b3c85c1c684b279c0648bda02f94ccafb65c2373 Mon Sep 17 00:00:00 2001 From: Moritz Muehlenhoff Date: Tue, 19 Feb 2008 18:15:48 +0000 Subject: retire two issues git-svn-id: svn+ssh://svn.debian.org/svn/kernel-sec@1137 e094ebfe-e918-0410-adfb-c712417f3574 --- retired/CVE-2007-3731 | 31 +++++++++++++++++++++++++++++++ 1 file changed, 31 insertions(+) create mode 100644 retired/CVE-2007-3731 (limited to 'retired/CVE-2007-3731') diff --git a/retired/CVE-2007-3731 b/retired/CVE-2007-3731 new file mode 100644 index 00000000..3b95e936 --- /dev/null +++ b/retired/CVE-2007-3731 @@ -0,0 +1,31 @@ +Candidate: CVE-2007-3731 +References: + MISC:http://bugzilla.kernel.org/show_bug.cgi?id=8765 + CONFIRM:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=29eb51101c02df517ca64ec472d7501127ad1da8 + CONFIRM:http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commitdiff;h=a10d9a71bafd3a283da240d2868e71346d2aef6f + CONFIRM:https://bugzilla.redhat.com/show_bug.cgi?id=248324 +Description: + The Linux kernel 2.6.20 and 2.6.21 does not properly handle an invalid LDT + segment selector in %cs (the xcs field) during ptrace single-step operations, + which allows local users to cause a denial of service (NULL dereference and + OOPS) via certain code that makes ptrace PTRACE_SETREGS and PTRACE_SINGLESTEP + requests, related to the TRACE_IRQS_ON function, and possibly related to the + arch_ptrace function. +Ubuntu-Description: + Evan Teran discovered that the Linux kernel ptrace routines did not + correctly handle certain requests robustly. Local attackers could + exploit this to crash the system, causing a denial of service. +Notes: + dannf> Note that the description is somewhat misleading - I can reproduce + on 2.6.18, so its not limited to 2.6.20 and 2.6.21 + jmm> a10d9a71bafd3a283da240d2868e71346d2aef6f + dannf> reproducer in http://bugzilla.kernel.org/show_bug.cgi?id=8765 +Bugs: +upstream: released (2.6.23-rc1) +linux-2.6: released (2.6.23-1) +2.6.18-etch-security: released (2.6.18.dfsg.1-13etch3) [bugfix/ptrace-handle-bogus-selector.patch, bugfix/fixup-trace_irq-breakage.patch] +2.6.8-sarge-security: N/A "cannot reproduce in 2.6.8, code is very different" +2.4.27-sarge-security: N/A "cannot reproduce in 2.4" +2.6.15-dapper-security: released (2.6.15-29.59) +2.6.17-edgy-security: released (2.6.17.1-12.41 17fc2937158a31e501e7e0aae9e3951b9ca49a0a, cd01b60fda15bb9d76eecf9420c989c3248881f6) +2.6.20-feisty-security: released (2.6.20-16.32 6227bc5e0cc5f5993c51f05f77d4602d5602b888, 2d7bfc148eece4514edf175b7e75d7fa48555fa2) -- cgit v1.2.3