CVE-2023-6622 — NULL Pointer Dereference in Kernel

CWE-476 — NULL Pointer Dereference16 documents9 sources
Severity
5.5MEDIUMNVD
EPSS
0.0%
top 98.61%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Linux KernelFedoraproject FedoraRedhat Enterprise Linux
Timeline
PublishedDec 8
Latest updateFeb 23

Description

A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset.c in nf_tables in the Linux kernel. This issue may allow a local attacker with CAP_NET_ADMIN user privilege to trigger a denial of service.

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 Packages2 packages

▶Debianlinux/linux_kernel< 6.1.69-1+2
▶NVDlinux/linux_kernel5.11 — 6.6+1

Also affects: Enterprise Linux 8.0, 9.0, Fedora 38, 39

Patches

Patch: bugzilla.redhat.com ↗Patch: github.com ↗Patch: bugzilla.redhat.com ↗

🔴Vulnerability Details

3
CVEList
Kernel: null pointer dereference vulnerability in nft_dynset_init()↗2023-12-08
▶
GHSA
GHSA-cjq9-mv23-7rh6: A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset↗2023-12-08
▶
OSV
CVE-2023-6622: A null pointer dereference vulnerability was found in nft_dynset_init() in net/netfilter/nft_dynset↗2023-12-08
▶

📋Vendor Advisories

11
Ubuntu
Linux kernel (Azure) vulnerabilities↗2024-02-23
▶
Ubuntu
Linux kernel (Intel IoTG) vulnerabilities↗2024-02-15
▶
Ubuntu
Linux kernel (Azure) vulnerabilities↗2024-02-15
▶
Ubuntu
Linux kernel (OEM) vulnerabilities↗2024-02-15
▶
Ubuntu
Linux kernel vulnerabilities↗2024-02-14
▶

💬Community

1
Bugzilla
CVE-2023-6622 kernel: null pointer dereference vulnerability in nft_dynset_init()↗2023-12-08
▶
CVE-2023-6622 — NULL Pointer Dereference in Kernel | cvebase