CVE-2020-12769 — Improper Synchronization in Kernel

CWE-662 — Improper SynchronizationCWE-362 — Race ConditionCWE-20 — Improper Input Validation12 documents8 sources
Severity
5.5MEDIUMNVD
OSV6.5
EPSS
0.1%
top 80.87%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
4
Linux KernelCanonical Ubuntu LinuxDebian Linux+1 more
Timeline
PublishedMay 9
Latest updateMay 24

Description

An issue was discovered in the Linux kernel before 5.4.17. drivers/spi/spi-dw.c allows attackers to cause a panic via concurrent calls to dw_spi_irq and dw_spi_transfer_one, aka CID-19b61392c5a8.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:HExploitability: 1.8 | Impact: 3.6

Affected Packages4 packages

▶NVDlinux/linux_kernel< 5.4.17
▶Debianlinux/linux_kernel< 5.4.19-1+3
▶Ubuntulinux/linux_kernel< 4.4.0-184.214+3
▶NVDopensuse/leap15.1, 15.2+1

Also affects: Debian Linux 8.0, Ubuntu Linux 14.04, 16.04

Patches

Patch: cdn.kernel.org ↗Patch: git.kernel.org ↗Patch: lkml.org ↗

🔴Vulnerability Details

5
GHSA
GHSA-f25w-4h6f-frg3: An issue was discovered in the Linux kernel before 5↗2022-05-24
▶
OSV
Kernel Live Patch Security Notice↗2020-07-27
▶
OSV
linux, linux-aws, linux-kvm, linux-raspi2, linux-snapdragon vulnerabilities↗2020-06-11
▶
OSV
CVE-2020-12769: An issue was discovered in the Linux kernel before 5↗2020-05-09
▶
CVEList
CVE-2020-12769: An issue was discovered in the Linux kernel before 5↗2020-05-09
▶

📋Vendor Advisories

4
Ubuntu
Kernel Live Patch Security Notice↗2020-07-27
▶
Ubuntu
Linux kernel vulnerabilities↗2020-06-11
▶
Red Hat
kernel: DoS via concurrent calls to dw_spi_irq and dw_spi_transfer_one functions in drivers/spi/spi-dw.c↗2020-01-03
▶
Debian
CVE-2020-12769: linux - An issue was discovered in the Linux kernel before 5.4.17. drivers/spi/spi-dw.c ...↗2020
▶

💬Community

2
Bugzilla
CVE-2020-12769 kernel: DoS via concurrent calls to dw_spi_irq and dw_spi_transfer_one functions in drivers/spi/spi-dw.c↗2020-05-12
▶
Bugzilla
CVE-2020-12769 kernel: DoS via concurrent calls to dw_spi_irq and dw_spi_transfer_one functions in drivers/spi/spi-dw.c [fedora-all]↗2020-05-12
▶
CVE-2020-12769 — Improper Synchronization in Kernel | cvebase