CVE-2022-33981 — Use After Free in Kernel

CWE-416 — Use After Free18 documents7 sources
Severity
3.3LOWNVD
OSV7.8OSV5.5OSV4.4
EPSS
0.0%
top 90.03%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Linux KernelDebian LinuxDebian Linux+2 more
Timeline
PublishedJun 18
Latest updateAug 10

Description

drivers/block/floppy.c in the Linux kernel before 5.17.6 is vulnerable to a denial of service, because of a concurrency use-after-free flaw after deallocating raw_cmd in the raw_cmd_ioctl function.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:LExploitability: 1.8 | Impact: 1.4

Affected Packages6 packages

▶NVDlinux/linux_kernel< 5.17.6
▶Debianlinux/linux_kernel< 5.10.113-1+3
▶Ubuntulinux/linux_kernel< 4.15.0-191.202+2
▶debiandebian/linux< linux 5.17.6-1 (bookworm)

Also affects: Debian Linux 10.0, 9.0

Patches

Patch: github.com ↗Patch: seclists.org ↗Patch: github.com ↗

🔴Vulnerability Details

8
OSV
linux, linux-aws, linux-azure-4.15, linux-dell300x, linux-gcp-4.15, linux-kvm, linux-oracle, linux-raspi2, linux-snapdragon vulnerabilities↗2022-08-10
▶
OSV
linux-intel-iotg vulnerabilities↗2022-08-10
▶
OSV
linux-hwe, linux-aws-hwe, linux-azure, linux-gcp, linux-oracle vulnerabilities↗2022-08-10
▶
OSV
linux-bluefield, linux-gcp-5.4, linux-gke-5.4 vulnerabilities↗2022-07-28
▶
OSV
linux, linux-aws, linux-azure, linux-gcp, linux-gke, linux-ibm, linux-kvm, linux-lowlatency, linux-oracle, linux-raspi vulnerabilities↗2022-07-14
▶

📋Vendor Advisories

9
Ubuntu
Linux kernel (Intel IoTG) vulnerabilities↗2022-08-10
▶
Ubuntu
Linux kernel vulnerabilities↗2022-08-10
▶
Ubuntu
Linux kernel vulnerabilities↗2022-08-10
▶
Ubuntu
Linux kernel vulnerabilities↗2022-07-28
▶
Ubuntu
Linux kernel vulnerabilities↗2022-07-14
▶