CVE-2019-9003 — Use After Free in Kernel

CWE-416 — Use After Free10 documents7 sources
Severity
7.5HIGHNVD
OSV7.8
EPSS
6.8%
top 8.67%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Linux KernelDebian LinuxCanonical Ubuntu Linux+1 more
Timeline
PublishedFeb 22
Latest updateMay 13

Description

In the Linux kernel before 4.20.5, attackers can trigger a drivers/char/ipmi/ipmi_msghandler.c use-after-free and OOPS by arranging for certain simultaneous execution of the code, as demonstrated by a "service ipmievd restart" loop.

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HExploitability: 3.9 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel4.18 — 4.19.18+2
▶Debianlinux/linux_kernel< 4.19.20-1+3
▶debiandebian/linux< linux 4.19.20-1 (bookworm)
▶NVDopensuse/leap15.0

Also affects: Ubuntu Linux 18.04, 18.10

Patches

Patch: git.kernel.org ↗Patch: github.com ↗Patch: git.kernel.org ↗

🔴Vulnerability Details

3
GHSA
GHSA-9pwg-j47x-j9gj: In the Linux kernel before 4↗2022-05-13
▶
OSV
linux-hwe, linux-azure vulnerabilities↗2019-04-02
▶
OSV
CVE-2019-9003: In the Linux kernel before 4↗2019-02-22
▶

📋Vendor Advisories

4
Ubuntu
Linux kernel (HWE) vulnerabilities↗2019-04-02
▶
Ubuntu
Linux kernel vulnerabilities↗2019-04-02
▶
Red Hat
kernel: use-after-free and OOPS in drivers/char/ipmi/ipmi_msghandler.c↗2019-01-16
▶
Debian
CVE-2019-9003: linux - In the Linux kernel before 4.20.5, attackers can trigger a drivers/char/ipmi/ipm...↗2019
▶

💬Community

2
Bugzilla
CVE-2019-9003 kernel: use-after-free and OOPS in drivers/char/ipmi/ipmi_msghandler.c [fedora-all]↗2019-02-25
▶
Bugzilla
CVE-2019-9003 kernel: use-after-free and OOPS in drivers/char/ipmi/ipmi_msghandler.c↗2019-02-25
▶