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CVE-2026-89837

UnknownEPSS 0.21%

Last modified

CVE-2026-89837 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: f2fs: fix dentry folio leak in find_in_level find_in_level() gets a dentry folio with f2fs_find_data_folio() before calling find_in_block(). If find_in_block() returns an error, the function stores the error in res_folio and breaks out of the loop without dropping the dentry folio. This leaks the folio reference on the find_in_block() error path. EPSS estimates a 0.21% chance of exploitation in the next 30 days.

Description

In the Linux kernel, the following vulnerability has been resolved: f2fs: fix dentry folio leak in find_in_level find_in_level() gets a dentry folio with f2fs_find_data_folio() before calling find_in_block(). If find_in_block() returns an error, the function stores the error in res_folio and breaks out of the loop without dropping the dentry folio. This leaks the folio reference on the find_in_block() error path. Drop the dentry folio before returning the error to the caller.

Metrics

EPSS Probability
0.21%

10.7th percentile

Probability of exploitation in the next 30 days. Learn more

Affected Software

Source: CNA advisory (CVE.org). NVD analysis pending.

VendorProductVersions
LinuxLinux>= 7ad08a58bf67594057362e45cbddd3e27e53e557, < d2011b371fcb9247b2ef4ea2d852401a6c82ab88; >= 7ad08a58bf67594057362e45cbddd3e27e53e557, < 3b8593f7965fcb22672d98b55ae2e9410ea3d9f7; >= 7ad08a58bf67594057362e45cbddd3e27e53e557, < b6c0e77d950bf80ab357e2b4b9667f4389ed417c; >= 7ad08a58bf67594057362e45cbddd3e27e53e557, < af9cc316d31371824de8d409260a2ab9759dd51c; >= 7ad08a58bf67594057362e45cbddd3e27e53e557, < aefb4b0f465b6f95fe02b52d1822a3fb4a9ae922; >= 7ad08a58bf67594057362e45cbddd3e27e53e557, < 93a3e6a4c9e726a13a935963e8dc43d181db1527; >= 7ad08a58bf67594057362e45cbddd3e27e53e557, < cca7d3e30bf30333314e31bc70b9a739f1342167
LinuxLinux5.11

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-89837?
In the Linux kernel, the following vulnerability has been resolved: f2fs: fix dentry folio leak in find_in_level find_in_level() gets a dentry folio with f2fs_find_data_folio() before calling find_in_block(). If find_in_block() returns an error, the function stores the error in res_folio and breaks out of the loop without dropping the dentry folio. This leaks the folio reference on the find_in_block() error path. Drop the dentry folio before returning the error to the caller.
How severe is CVE-2026-89837?
Severity scoring for CVE-2026-89837 is pending analysis. The EPSS model estimates a 0.21% probability of exploitation in the next 30 days.
How do I fix CVE-2026-89837?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

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Source: NVD / NIST