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CVE-2017-9242

Date: May 26, 2017

The __ip6_append_data function in net/ipv6/ip6_output.c in the Linux kernel through 4.11.3 is too late in checking whether an overwrite of an skb data structure may occur, which allows local users to cause a denial of service (system crash) via crafted system calls.

Language: C

Severity Score

Related Resources (12)

https://access.redhat.com/errata/RHSA-2017:1842
https://patchwork.ozlabs.org/patch/764880/
https://security-tracker.debian.org/tracker/CVE-2017-9242
http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=232cd35d0804cc241eb887bb8d4d9b3b9881c64a
http://www.debian.org/security/2017/dsa-3886
https://nvd.nist.gov/vuln/detail/CVE-2017-9242
https://access.redhat.com/security/cve/CVE-2017-9242
https://github.com/torvalds/linux/commit/232cd35d0804cc241eb887bb8d4d9b3b9881c64a
https://access.redhat.com/errata/RHSA-2017:2077
https://people.canonical.com/~ubuntu-security/cve/CVE-2017-9242
http://www.securityfocus.com/bid/98731
https://www.mend.io/vulnerability-database/CVE-2017-9242

Severity Score

Weakness Type (CWE)

Improper Input Validation

CWE-20

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): LOW
User Interaction (UI): NONE
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): LOCAL
Access Complexity (AC): LOW
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): COMPLETE
Additional information:

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