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CVE-2019-19927

Good to know:

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Date: December 30, 2019

In the Linux kernel 5.0.0-rc7 (as distributed in ubuntu/linux.git on kernel.ubuntu.com), mounting a crafted f2fs filesystem image and performing some operations can lead to slab-out-of-bounds read access in ttm_put_pages in drivers/gpu/drm/ttm/ttm_page_alloc.c. This is related to the vmwgfx or ttm module.

Language: C

Severity Score

Related Resources (11)

https://people.canonical.com/~ubuntu-security/cve/CVE-2019-19927
https://github.com/bobfuzzer/CVE/tree/master/CVE-2019-19927
https://nvd.nist.gov/vuln/detail/CVE-2019-19927
https://security-tracker.debian.org/tracker/CVE-2019-19927
https://github.com/torvalds/linux/commit/ac1e516d5a4c56bf0cb4a3dfc0672f689131cfd4
https://github.com/torvalds/linux/commit/453393369dc9806d2455151e329c599684762428
https://github.com/torvalds/linux/commit/a66477b0efe511d98dde3e4aaeb189790e6f0a39
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00021.html
https://security.netapp.com/advisory/ntap-20200204-0002/
https://access.redhat.com/security/cve/CVE-2019-19927
https://www.mend.io/vulnerability-database/CVE-2019-19927

Severity Score

Weakness Type (CWE)

Out-of-bounds Read

CWE-125

Top Fix

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CVSS v3.1

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

CVSS v2

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

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