CVE-2019-19768 (High) detected in linuxlinux-4.19.238

[mend-bolt-for-github[bot]]

CVE-2019-19768 - High Severity Vulnerability

Vulnerable Library - linuxlinux-4.19.238

The Linux Kernel

Library home page: https://mirrors.edge.kernel.org/pub/linux/kernel/v4.x/?wsslib=linux

Found in HEAD commit: 05c0743befb9102e2ecb9fbd0fa8eb43eb8bb5ec

Found in base branch: master

Vulnerable Source Files (2)

/kernel/trace/blktrace.c /kernel/trace/blktrace.c

Vulnerability Details

In the Linux kernel 5.4.0-rc2, there is a use-after-free (read) in the __blk_add_trace function in kernel/trace/blktrace.c (which is used to fill out a blk_io_trace structure and place it in a per-cpu sub-buffer).

Publish Date: 2019-12-12

URL: CVE-2019-19768

CVSS 3 Score Details (7.5)

Base Score Metrics: - Exploitability Metrics: - Attack Vector: Network - Attack Complexity: Low - Privileges Required: None - User Interaction: None - Scope: Unchanged - Impact Metrics: - Confidentiality Impact: None - Integrity Impact: None - Availability Impact: High

For more information on CVSS3 Scores, click here.

Suggested Fix

Type: Upgrade version

Origin: https://nvd.nist.gov/vuln/detail/CVE-2019-19768

Release Date: 2020-06-10

Fix Resolution: kernel-doc - 3.10.0-514.76.1,3.10.0-957.54.1,4.18.0-147.13.2,3.10.0-1127.8.2,3.10.0-327.88.1,4.18.0-80.18.1,4.18.0-193,3.10.0-1062.26.1,3.10.0-693.67.1;kernel-rt-core - 4.18.0-193.rt13.51;kernel-rt-debug-debuginfo - 4.18.0-193.rt13.51;kernel-abi-whitelists - 3.10.0-327.88.1,3.10.0-1062.26.1,4.18.0-147.13.2,4.18.0-80.18.1,3.10.0-514.76.1,3.10.0-1127.8.2,3.10.0-957.54.1,4.18.0-193,3.10.0-693.67.1;kernel-zfcpdump-modules - 4.18.0-193,4.18.0-147.13.2;kernel-rt-trace-devel - 3.10.0-1127.8.2.rt56.1103;kernel-debug-modules-extra - 4.18.0-147.13.2,4.18.0-193,4.18.0-147.13.2,4.18.0-193,4.18.0-80.18.1,4.18.0-80.18.1,4.18.0-147.13.2,4.18.0-193,4.18.0-193,4.18.0-147.13.2;kernel-rt-debug-kvm - 4.18.0-193.rt13.51,3.10.0-1127.8.2.rt56.1103;kernel-bootwrapper - 3.10.0-1062.26.1,3.10.0-1127.8.2,3.10.0-693.67.1,3.10.0-1062.26.1,3.10.0-957.54.1,3.10.0-1127.8.2,3.10.0-514.76.1,3.10.0-957.54.1;kernel-rt-debuginfo - 4.18.0-193.rt13.51;kernel-rt-debug-modules - 4.18.0-193.rt13.51;kernel-zfcpdump-devel - 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[mend-bolt-for-github[bot]]

:heavy_check_mark: This issue was automatically closed by Mend because the vulnerable library in the specific branch(es) was either marked as ignored or it is no longer part of the Mend inventory.

[mend-bolt-for-github[bot]]

:information_source: This issue was automatically re-opened by Mend because the vulnerable library in the specific branch(es) has been detected in the Mend inventory.