CVE-2022-23222 — NULL Pointer Dereference in Kernel

CWE-476 — NULL Pointer DereferenceCWE-763 — Release of Invalid Pointer or Reference15 documents7 sources
Severity
7.8HIGHNVD
OSV6.5OSV4.7
EPSS
0.6%
top 31.64%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
5
Linux KernelDebian LinuxDebian Linux+2 more
Timeline
PublishedJan 14
Latest updateJun 1

Description

kernel/bpf/verifier.c in the Linux kernel through 5.15.14 allows local users to gain privileges because of the availability of pointer arithmetic via certain *_OR_NULL pointer types.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:HExploitability: 1.8 | Impact: 5.9

Affected Packages4 packages

▶NVDlinux/linux_kernel5.8.0 — 5.15.37+1
▶Debianlinux/linux_kernel< 5.10.92-1+3
▶debiandebian/linux< linux 5.15.15-1 (bookworm)

Also affects: Debian Linux 11.0, Fedora 34, 35

Patches

Patch: www.openwall.com ↗Patch: www.openwall.com ↗

🔴Vulnerability Details

7
OSV
CVE-2022-23222: In kernel/bpf/verifier↗2022-06-01
▶
OSV
linux-azure-5.13, linux-oracle-5.13 vulnerabilities↗2022-04-06
▶
OSV
linux-intel-5.13 vulnerabilities↗2022-04-01
▶
OSV
linux, linux-aws, linux-aws-5.13, linux-gcp, linux-gcp-5.13, linux-hwe-5.13, linux-kvm, linux-oracle, linux-raspi vulnerabilities↗2022-03-22
▶
OSV
linux-oem-5.14 vulnerabilities↗2022-02-09
▶

📋Vendor Advisories

7
Ubuntu
Linux kernel vulnerabilities↗2022-04-06
▶
Ubuntu
Linux kernel (Intel IOTG) vulnerabilities↗2022-04-01
▶
Ubuntu
Linux kernel vulnerabilities↗2022-03-22
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2022-02-09
▶
Red Hat
kernel: local privileges escalation in kernel/bpf/verifier.c↗2022-01-14
▶