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CVE-2018-14656 CrOS: Vulnerability reported in Linux kernel |
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Issue descriptionVOMIT (go/vomit) has received an external vulnerability report for the Linux kernel. Advisory: CVE-2018-14656 Details: http://vomit.googleplex.com/advisory?id=CVE/CVE-2018-14656 CVSS severity score: 2.1/10.0 Description: A missing address check in the callers of the show_opcodes() in the Linux kernel allows an attacker to dump the kernel memory at an arbitrary kernel address into the dmesg log. This bug was filed by http://go/vomit Please contact us at vomit-team@google.com if you need any assistance. |
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Comment 1 by groeck@chromium.org
, Nov 28Labels: Security_Severity-Low Security_Impact-None Pri-3
Owner: groeck@chromium.org
Status: WontFix (was: Untriaged)
Upstream commit 342db04ae7 ("x86/dumpstack: Don't dump kernel memory based on usermode RIP"). chromeos-4.19 is not affected. The bug was introduced with commit 7cccf0725cf7 ("x86/dumpstack: Add a show_ip() function"), which is not present in any older kernels.