ZDF
Sign inSign up

Vulnerabilities

Vulnerability · CVE-2022-50262

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Validate BOOT record_size When the NTFS BOOT record_size field record_bits calculation through blksize

Published Sep 15, 2025 · catalog updated Aug 15, 2026 · Linux Linux

Check if you run it

No confirmed exploitation is on record for CVE-2022-50262. EPSS is 0.16%. Act only if a listed version of Linux Linux is installed.

Gaps on this record

  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
None0.0
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.16%
Remediation
Vendor / distro source
Affected products
vendor Linux Linux patch: 5.15.87

In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Validate BOOT record_size When the NTFS BOOT record_size field record_bits calculation through blksize_bits() assumes the size always > 256, which could lead to NPD while mounting a malformed NTFS image. [ 318.675159] BUG: kernel NULL pointer dereference, address: 0000000000000158 [ 318.675682] #PF: supervisor read access in kernel mode [ 318.675869] #PF: error_code(0x0000) - not-present page [ 318.676246] PGD 0 P4D 0 [ 318.676502] Oops: 0000 [#1] PREEMPT SMP NOPTI [ 318.676934] CPU: 0 PID: 259 Comm: mount Not tainte

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • vendor Linux Linux patch: 5.15.87patch: 5.15.87

How to fix CVE-2022-50262

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2022-50262. EPSS is 0.16%. Act only if a listed version of Linux Linux is installed.

Which versions are affected?

Compare what you have installed with Linux Linux patch: 5.15.87 patch: 5.15.87. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.16%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

Timeline

Detection, updates, and resolution for this record.

  1. Sep 15, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Validate BOOT record_size When the NTFS BOOT record_size field record_bits calculation through blksize_bits() assumes the size always > 256, which could lead to NPD while mounting a malformed NTFS image. [ 318.675159] BUG: kernel NULL pointer dereference, address: 0000000000000158 [ 318.675682] #PF: supervisor read acces

  2. Aug 15, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Validate BOOT record_size When the NTFS BOOT record_size field record_bits calculation through blksize_bits() assumes the size always > 256, which could lead to NPD while mounting a malformed NTFS image. [ 318.675159] BUG: kernel NULL pointer dereference, address: 0000000000000158 [ 318.675682] #PF: supervisor read acces

Sources

  • CVE.orgVulnerability recordCVE-2022-50262

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2022-50262

    30-day exploitation probability 0.16%

    first.org
  • EUVDVulnerability recordEUVD-2022-55593

    In the Linux kernel, the following vulnerability has been resolved: fs/ntfs3: Validate BOOT record_size When the NTFS BOOT record_size field record_bits calculation through blksize_bits() assumes the size always > 256, which could lead to NPD while mounting a malformed NTFS image

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Oct 21, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.