CVE-2022-42703 — Use After Free in Kernel

CWE-416 — Use After Free45 documents12 sources
Severity
5.5MEDIUMNVD
OSV7.8OSV7.1OSV7.0
EPSS
1.0%
top 23.13%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
6
Linux KernelDebian LinuxPaloalto Pan-os+3 more
Timeline
PublishedOct 9
Latest updateApr 15

Description

mm/rmap.c in the Linux kernel before 5.19.7 has a use-after-free related to leaf anon_vma double reuse.

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 Packages8 packages

▶NVDlinux/linux_kernel< 5.19.7
▶Debianlinux/linux_kernel< 5.10.140-1+3
▶Ubuntulinux/linux_kernel< 4.15.0-200.211+4
▶debiandebian/linux< linux 5.19.11-1 (bookworm)

Patches

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

🔴Vulnerability Details

19
OSV
CVE-2022-42703: In multiple functions of rmap↗2023-07-01
▶
OSV
linux-oem-5.14 vulnerabilities↗2023-01-05
▶
OSV
linux-azure, linux-azure-5.15, linux-azure-fde vulnerabilities↗2022-12-14
▶
OSV
linux-azure vulnerabilities↗2022-12-12
▶
OSV
linux-oem-5.17 vulnerabilities↗2022-12-12
▶

📋Vendor Advisories

24
CISA ICS
ABB M2M Gateway↗2025-04-15
▶
Palo Alto
PAN-SA-2024-0001 Informational Bulletin: Impact of OSS CVEs in PAN-OS↗2024-02-14
▶
Android
CVE-2022-42703: MemoryManagement↗2023-07-01
▶
CISA ICS
Siemens SIMATIC S7-1500 TM MFP BIOS↗2023-06-15
▶
CISA ICS
Siemens SIMATIC S7-1500 TM MFP Linux Kernel↗2023-06-15
▶

📄Research Papers

1
arXiv
Oreo: Protecting ASLR Against Microarchitectural Attacks (Extended Version)↗2024-12-10
▶