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Vulnerabilities

Vulnerability · CVE-2025-38106

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo() syzbot reports: BUG: KASAN: slab-use-afte

Published Jul 3, 2025 · catalog updated Aug 5, 2026 · Linux Linux

Check this week

CVE-2025-38106 is not in CISA KEV. FIRST estimates a 19.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

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
19.00%
Remediation
Version ranges on file
Affected products
vendor Linux Linux 3fcb9d17206e31630f802a3ab52081d1342b8ed9 <af8c13f9ee040b9a287ba246cf0055f7c77b7cc8

In the Linux kernel, the following vulnerability has been resolved: io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo() syzbot reports: BUG: KASAN: slab-use-after-free in getrusage+0x1109/0x1a60 Read of size 8 at addr ffff88810de2d2c8 by task a.out/304 CPU: 0 UID: 0 PID: 304 Comm: a.out Not tainted 6.16.0-rc1 #1 PREEMPT(voluntary) Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PIIX, 1996), BIOS 1.16.3-debian-1.16.3-2 04/01/2014 Call Trace: dump_stack_lvl+0x53/0x70 print_report+0xd0/0x670 ? __pfx__raw_spin_lock_irqsave+0x10/0x10 ? getrusage+0x1109/0x1a60 kasan_report+0xce/0x10

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 3fcb9d17206e31630f802a3ab52081d1342b8ed9 <af8c13f9ee040b9a287ba246cf0055f7c77b7cc83fcb9d17206e31630f802a3ab52081d1342b8ed9 <af8c13f9ee040b9a287ba246cf0055f7c77b7cc8

How to fix CVE-2025-38106

  • Recommended remediation

    Affected version ranges suggest a fixed boundary. Verify against the vendor advisory for your release.

  • Official advisories

What to do

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

Should you patch?

CVE-2025-38106 is not in CISA KEV. FIRST estimates a 19.00% chance of exploitation in the next 30 days. Check whether you run Linux Linux.

Which versions are affected?

Compare what you have installed with Linux Linux 3fcb9d17206e31630f802a3ab52081d1342b8ed9 <af8c13f9ee040b9a287ba246cf0055f7c77b7cc8 3fcb9d17206e31630f802a3ab52081d1342b8ed9 <af8c13f9ee040b9a287ba246cf0055f7c77b7cc8. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

No weakness class is stored. EPSS 19.00%. 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. Jul 3, 2025 · EUVD

    Detected

    In the Linux kernel, the following vulnerability has been resolved: io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo() syzbot reports: BUG: KASAN: slab-use-after-free in getrusage+0x1109/0x1a60 Read of size 8 at addr ffff88810de2d2c8 by task a.out/304 CPU: 0 UID: 0 PID: 304 Comm: a.out Not tainted 6.16.0-rc1 #1 PREEMPT(voluntary) Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PI

  2. Aug 5, 2026 · EUVD

    Updated

    In the Linux kernel, the following vulnerability has been resolved: io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo() syzbot reports: BUG: KASAN: slab-use-after-free in getrusage+0x1109/0x1a60 Read of size 8 at addr ffff88810de2d2c8 by task a.out/304 CPU: 0 UID: 0 PID: 304 Comm: a.out Not tainted 6.16.0-rc1 #1 PREEMPT(voluntary) Hardware name: QEMU Ubuntu 24.04 PC (i440FX + PI

Sources

  • EUVDVulnerability recordEUVD-2025-19837

    In the Linux kernel, the following vulnerability has been resolved: io_uring: fix use-after-free of sq->thread in __io_uring_show_fdinfo() syzbot reports: BUG: KASAN: slab-use-after-free in getrusage+0x1109/0x1a60 Read of size 8 at addr ffff88810de2d2c8 by task a.out/304 CPU: 0 U

    euvd.enisa.europa.eu

References

Freshness

Last verified in this catalog Aug 5, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.