PT-2019-5312 · Linux+4 · Linux Kernel+4

Published 2019-04-16 · Updated 2021-05-28 · CVE-2019-15919

Positive Technologies (AI Summary)

CVSS v3.1

3.3

Low

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N

Name of the Vulnerable Software and Affected Versions Linux kernel versions prior to 5.0.10

Description An issue in the Linux kernel is related to a use-after-free in the SMB2 write function, located in fs/cifs/smb2pdu.c. This issue may allow an attacker to disclose protected information.

Recommendations For Linux kernel versions prior to 5.0.10, update to version 5.0.10 or later to resolve the issue. As a temporary workaround, consider restricting access to the SMB2 write function until a patch is available.

Fix

Use After Free

Weakness Enumeration

CWE-416

Related Identifiers

ALT-PU-2019-1762

ALT-PU-2019-1767

ALT-PU-2020-1198

ALT-PU-2020-1501

ALT-PU-2020-2410

ALT-PU-2020-2433

ALT-PU-2021-1870

BDU:2020-02259

CESA-2019_3517

CVE-2019-15919

OPENSUSE-SU-2019:2173-1

OPENSUSE-SU-2019:2181-1

OPENSUSE-SU-2019_2173-1

OPENSUSE-SU-2019_2181-1

RHSA-2019:3517

RHSA-2019_3517

SUSE-SU-2019:2412-1

SUSE-SU-2019:2414-1

SUSE-SU-2019:2424-1

SUSE-SU-2019:2648-1

SUSE-SU-2019:2651-1

SUSE-SU-2019:2658-1

SUSE-SU-2019:2738-1

SUSE-SU-2019:2756-1

Affected Products

Alt Linux

Centos

Linux Kernel

Red Hat

Suse

References · 556

• https://github.com/torvalds/linux/commit/6a3eb3360667170988f8a6477f6686242061488a · Patch
• https://osv.dev/vulnerability/openSUSE-SU-2019:2181-1 · Vendor Advisory
• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00066.html · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2019:2173-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2414-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2756-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2020-02259 · Security Note
• http://lists.opensuse.org/opensuse-security-announce/2019-09/msg00064.html · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2019-15919 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2019:2424-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2658-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2019:2648-1 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2019-15919 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2019-15919 · Security Note
• https://osv.dev/vulnerability/CVE-2019-15919 · Vendor Advisory