Vulnerability DatabaseCVE-2019-13233
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CVE-2019-13233
July 04, 2019
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.
Related Resources (20)
https://cdn.kernel.org/pub/linux/kernel/v5.x/ChangeLog-5.1.9
https://security-tracker.debian.org/tracker/CVE-2019-13233
https://usn.ubuntu.com/4094-1/
http://packetstormsecurity.com/files/154408/Kernel-Live-Patch-Security-Notice-LSN-0055-1.html
https://access.redhat.com/errata/RHSA-2019:3517
https://usn.ubuntu.com/4093-1/
https://security.netapp.com/advisory/ntap-20190806-0001/
https://people.canonical.com/~ubuntu-security/cve/CVE-2019-13233
https://access.redhat.com/security/cve/CVE-2019-13233
https://seclists.org/bugtraq/2019/Aug/13
https://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=de9f869616dd95e95c00bdd6b0fcd3421e8a4323
https://access.redhat.com/errata/RHSA-2019:3309
https://usn.ubuntu.com/4117-1/
https://bugs.chromium.org/p/project-zero/issues/detail?id=1879
https://usn.ubuntu.com/4118-1/
https://support.f5.com/csp/article/K13331647?utm_source=f5support&amp%3Butm_medium=RSS
https://github.com/torvalds/linux/commit/de9f869616dd95e95c00bdd6b0fcd3421e8a4323
https://support.f5.com/csp/article/K13331647?utm_source=f5support&utm_medium=RSS
https://www.debian.org/security/2019/dsa-4495
http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00025.html
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CVSS v4
Base Score:
7.3
Attack Vector
LOCAL
Attack Complexity
HIGH
Attack Requirements
NONE
Privileges Required
LOW
User Interaction
NONE
Vulnerable System Confidentiality
HIGH
Vulnerable System Integrity
HIGH
Vulnerable System Availability
HIGH
Subsequent System Confidentiality
NONE
Subsequent System Integrity
NONE
Subsequent System Availability
NONE
CVSS v3
Base Score:
7
Attack Vector
LOCAL
Attack Complexity
HIGH
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH
CVSS v2
Base Score:
4.4
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
Weakness Type (CWE)
Use After Free
CWE-416
Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')
CWE-362
EPSS
Base Score:
0.05