CVE Vulnerability

CVE-2019-13233

In arch/x86/lib/insn-eval.c in the Linux kernel before 5.1.9, there is a use-after-free for access to an LDT entry because of a race condition between modify_ldt() and a #BR exception for an MPX bounds violation.

4.4 /10

CVSS v2.0 :

V3 Legend

Vector :

Exploitability : 3.4 / Impact : 6.4

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

Scope

7 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 1 / Impact : 5.9

Attack Vector LOCAL

Attack Complexity HIGH

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References
Link Resource
https://bugs.chromium.org/p/project-zero/issues/detail?id=1879 Exploit Mailing List
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.9 Mailing List Release Notes
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=de9f869616dd95e95c00bdd6b0fcd3421e8a4323 Mailing List Patch
https://github.com/torvalds/linux/commit/de9f869616dd95e95c00bdd6b0fcd3421e8a4323 Patch Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html
https://security.netapp.com/advisory/ntap-20190806-0001/
https://www.debian.org/security/2019/dsa-4495
https://seclists.org/bugtraq/2019/Aug/13
https://usn.ubuntu.com/4094-1/
https://usn.ubuntu.com/4093-1/
https://usn.ubuntu.com/4117-1/
https://usn.ubuntu.com/4118-1/
http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html
https://support.f5.com/csp/article/K13331647?utm_source=f5support&utm_medium=RSS
https://access.redhat.com/errata/RHSA-2019:3517
https://access.redhat.com/errata/RHSA-2019:3309
Configurations

Configuration 1

cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
Information

Published : 2019-07-04 01:15

Updated : 2019-07-20 12:15

NVD link : CVE-2019-13233

Mitre link : CVE-2019-13233

Products Affected
No products.
CWE
CWE-362

CWE-416