What’s Vulnerable › Vulnerabilities

CVE-2022-0850

• Severity: high (CVSS 7.1 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.4% probability of exploitation in the next 30 days
• Public exploit or detection template: yes
• Published: 2022-08-29 · updated 2026-06-17
• Weakness: CWE-200

Description

A vulnerability was found in linux kernel, where an information leak occurs via ext4_extent_header to userspace.

Affected products

• Linux kernel: before 4.4.276; from 4.5 before 4.9.276; from 4.10 before 4.14.240; from 4.15 before 4.19.198; from 4.20 before 5.4.132; from 5.5.0 before 5.10.50 — fixed in 4.14.240, 4.19.198, 4.4.276, 4.9.276, 5.10.50, 5.12.17

How to fix

Upgrade to a fixed version: Linux kernel 4.14.240, 4.19.198, 4.4.276, 4.9.276. Check the vendor advisory for mitigations.

References

• https://access.redhat.com/security/cve/CVE-2022-0850
• https://bugzilla.redhat.com/show_bug.cgi?id=2060606
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ce3aba43599f0b50adbebff133df8d08a3d5fffe
• https://syzkaller.appspot.com/bug?id=78e9ad0e6952a3ca16e8234724b2fa92d041b9b8
• https://access.redhat.com/security/cve/CVE-2022-0850
• https://bugzilla.redhat.com/show_bug.cgi?id=2060606
• https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ce3aba43599f0b50adbebff133df8d08a3d5fffe
• https://syzkaller.appspot.com/bug?id=78e9ad0e6952a3ca16e8234724b2fa92d041b9b8

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