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CVE-2026-98962

Unknown

Last modified

CVE-2026-98962 is a vulnerability of currently unknown severity. In the Linux kernel, the following vulnerability has been resolved: btrfs: free iov when btrfs_uring_read_extent() fails After btrfs_uring_read_extent(), the caller always jumped to out_acct. That skips kfree(data->iov), which is only correct for -EIOCBQUEUED where the deferred path owns the iov. On failure, fall through to out_free instead..

Description

In the Linux kernel, the following vulnerability has been resolved: btrfs: free iov when btrfs_uring_read_extent() fails After btrfs_uring_read_extent(), the caller always jumped to out_acct. That skips kfree(data->iov), which is only correct for -EIOCBQUEUED where the deferred path owns the iov. On failure, fall through to out_free instead.

Affected Software

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

VendorProductVersions
LinuxLinux>= 34310c442e175f286b4c06ab5caa4e0b267ea31c, < 7a3addbdc5ad1fd80541a6a4ff4e06cd1331530a; >= 34310c442e175f286b4c06ab5caa4e0b267ea31c, < 578ef517142420cf9d36b364ad4b3490b85469fb; >= 34310c442e175f286b4c06ab5caa4e0b267ea31c, < a8ea92830b3e0e163d4e829bdcb17ca83c0f951c
LinuxLinux6.13

References

Timeline

Published
Last Modified
Status
Received

Frequently Asked Questions

What is CVE-2026-98962?
In the Linux kernel, the following vulnerability has been resolved: btrfs: free iov when btrfs_uring_read_extent() fails After btrfs_uring_read_extent(), the caller always jumped to out_acct. That skips kfree(data->iov), which is only correct for -EIOCBQUEUED where the deferred path owns the iov. On failure, fall through to out_free instead.
How severe is CVE-2026-98962?
Severity scoring for CVE-2026-98962 is pending analysis.
How do I fix CVE-2026-98962?
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