What’s Vulnerable › Vulnerabilities

CVE-2022-4127

• Severity: medium (CVSS 5.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.2% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2022-11-28 · updated 2026-06-17
• Weakness: CWE-476

Description

A NULL pointer dereference issue was discovered in the Linux kernel in io_files_update_with_index_alloc. A local user could use this flaw to potentially crash the system causing a denial of service.

Affected products

• Linux kernel: 5.19-rc1, 5.19-rc2, 5.19-rc3, 5.19-rc4, 5.19-rc5

References

• https://github.com/torvalds/linux/commit/d785a773bed966a75ca1f11d108ae1897189975b
• https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/
• https://github.com/torvalds/linux/commit/d785a773bed966a75ca1f11d108ae1897189975b
• https://lore.kernel.org/all/d5a19c1e-9968-e22e-5917-c3139c5e7e89%40kernel.dk/

Get alerted when CVE-2022-4127 or the next vulnerability affects your stack