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Vulnerabilities

Vulnerability · CVE-2025-22036

In the Linux kernel, the following vulnerability has been resolved: exfat: fix random stack corruption after get_block When get_block is called with a buffer_head allocated on the

Published Apr 16, 2025 · catalog updated Aug 5, 2026 · Linux Linux

Check if you run it

No confirmed exploitation is on record for CVE-2025-22036. EPSS is 0.20%. 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
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.20%
Remediation
Version ranges on file
Affected products
vendor Linux Linux 11a347fb6cef62ce47e84b97c45f2b2497c7593b <f7447286363dc1e410bf30b87d75168f3519f9cc

In the Linux kernel, the following vulnerability has been resolved: exfat: fix random stack corruption after get_block When get_block is called with a buffer_head allocated on the stack, such as do_mpage_readpage, stack corruption due to buffer_head UAF may occur in the following race condition situation. mpage_read_folio > do_mpage_readpage exfat_get_block bh_read __bh_read get_bh(bh) submit_bh wait_on_buffer ... end_buffer_read_sync __end_buffer_read_notouch unlock_buffer > ... ... ... ... > . . another_function > put_bh(bh) atomic_dec(bh->b_count) * stack corruption here * This patch return

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 11a347fb6cef62ce47e84b97c45f2b2497c7593b <f7447286363dc1e410bf30b87d75168f3519f9cc11a347fb6cef62ce47e84b97c45f2b2497c7593b <f7447286363dc1e410bf30b87d75168f3519f9cc

How to fix CVE-2025-22036

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-2025-22036. EPSS is 0.20%. Act only if a listed version of Linux Linux is installed.

Which versions are affected?

Compare what you have installed with Linux Linux 11a347fb6cef62ce47e84b97c45f2b2497c7593b <f7447286363dc1e410bf30b87d75168f3519f9cc 11a347fb6cef62ce47e84b97c45f2b2497c7593b <f7447286363dc1e410bf30b87d75168f3519f9cc. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 0.20%. 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. Apr 16, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: exfat: fix random stack corruption after get_block When get_block is called with a buffer_head allocated on the stack, such as do_mpage_readpage, stack corruption due to buffer_head UAF may occur in the following race condition situation. mpage_read_folio > do_mpage_readpage exfat_get_block bh_read __bh_read get_bh(bh) submit_bh w

  2. Aug 5, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: exfat: fix random stack corruption after get_block When get_block is called with a buffer_head allocated on the stack, such as do_mpage_readpage, stack corruption due to buffer_head UAF may occur in the following race condition situation. mpage_read_folio > do_mpage_readpage exfat_get_block bh_read __bh_read get_bh(bh) submit_bh w

Sources

  • CVE.orgVulnerability recordCVE-2025-22036

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2025-22036

    30-day exploitation probability 0.20%

    first.org
  • EUVDVulnerability recordEUVD-2025-11260

    In the Linux kernel, the following vulnerability has been resolved: exfat: fix random stack corruption after get_block When get_block is called with a buffer_head allocated on the stack, such as do_mpage_readpage, stack corruption due to buffer_head UAF may occur in the following

    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.