CVE-2019-15920 — Use After Free in Kernel

CWE-416 — Use After Free8 documents7 sources
Severity
4.3MEDIUMNVD
EPSS
0.5%
top 32.06%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Linux KernelDebian LinuxOpensuse Leap
Timeline
PublishedSep 4
Latest updateMay 24

Description

An issue was discovered in the Linux kernel before 5.0.10. SMB2_read in fs/cifs/smb2pdu.c has a use-after-free. NOTE: this was not fixed correctly in 5.0.10; see the 5.0.11 ChangeLog, which documents a memory leak.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:NExploitability: 2.8 | Impact: 1.4

Affected Packages4 packages

▶NVDlinux/linux_kernel< 5.0.10
▶Debianlinux/linux_kernel< 5.2.6-1+3
▶debiandebian/linux< linux 5.2.6-1 (bookworm)
▶NVDopensuse/leap15.0, 15.1+1

Patches

Patch: github.com ↗Patch: github.com ↗

🔴Vulnerability Details

2
GHSA
GHSA-ppjf-83xq-9mv2: An issue was discovered in the Linux kernel before 5↗2022-05-24
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OSV
CVE-2019-15920: An issue was discovered in the Linux kernel before 5↗2019-09-04
▶

📋Vendor Advisories

2
Red Hat
kernel: use-after-free information leak in SMB2_read↗2019-09-04
▶
Debian
CVE-2019-15920: linux - An issue was discovered in the Linux kernel before 5.0.10. SMB2_read in fs/cifs/...↗2019
▶

📄Research Papers

1
arXiv
MVD: Memory-Related Vulnerability Detection Based on Flow-Sensitive Graph Neural Networks↗2022-03-05
▶

💬Community

2
Bugzilla
CVE-2019-15920 kernel: use-after-free in SMB2_read function in fs/cifs/smb2pdu.c [fedora-all]↗2019-10-11
▶
Bugzilla
CVE-2019-15920 kernel: use-after-free information leak in SMB2_read↗2019-10-11
▶