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Review reviewHigh

CVE-2025-38129

Linux Linux, linux kernel

In the Linux kernel, the following vulnerability has been resolved: page_pool: Fix use-after-free in page_pool_recycle_in_ring syzbot reported a uaf in page_pool_recycle_in_ring: BUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862 Read of size 8 at addr ffff8880286045a0 by task syz.0.284/6943 CPU: 0 UID: 0 PID: 6943 Comm: syz.0.284 Not tainted 6.13.0-rc3-syzkaller-gdfa94ce54f41 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x3...

CVSS
7.8
EPSS
0.17%
6.14% percentile
CISA KEV
Not listed
Published
2025.07.03
PRIORITY ASSESSMENT

Review review

The CVSS severity warrants an early asset and exposure review.

Known exploitationNot established by KEV
Exploit probability0.17%
Technical severityCVSS 7.8

Vulnerability overview

In the Linux kernel, the following vulnerability has been resolved: page_pool: Fix use-after-free in page_pool_recycle_in_ring syzbot reported a uaf in page_pool_recycle_in_ring: BUG: KASAN: slab-use-after-free in lock_release+0x151/0xa30 kernel/locking/lockdep.c:5862 Read of size 8 at addr ffff8880286045a0 by task syz.0.284/6943 CPU: 0 UID: 0 PID: 6943 Comm: syz.0.284 Not tainted 6.13.0-rc3-syzkaller-gdfa94ce54f41 #0 Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 09/13/2024 Call Trace: <TASK> __dump_stack lib/dump_stack.c:94 [inline] dump_stack_lvl+0x241/0x3...

Affected product and versions

Product
Linux Linux, linux kernel
Affected versions
>= ff7d6b27f894f1469dc51ccb828b7363ccd9799f < c2c906142293931e33ef4be79ebc36c25c4e21dd, >= ff7d6b27f894f1469dc51ccb828b7363ccd9799f < d69f28ef7cdafdcf37ee310f38b1399e7d05f9a8, >= ff7d6b27f894f1469dc51ccb828b7363ccd9799f < 1a8c0b61d4cb55c5440583ec9e7f86a730369e32, >= ff7d6b27f894f1469dc51ccb828b7363ccd9799f < 4914c0a166540e534a0c1d43affd329d95fb56fd, >= ff7d6b27f894f1469dc51ccb828b7363ccd9799f < e869a85acc2e60dc554579b910826a4919d8cd98, >= ff7d6b27f894f1469dc51ccb828b7363ccd9799f < 4ab8c0f8905c9c4d05e7f437e65a9a365573ff02, >= ff7d6b27f894f1469dc51ccb828b7363ccd9799f < 271683bb2cf32e5126c592b5d5e6a756fa374fd9, >= 4.18, >= 4.18 < 6.12.34, >= 6.13 < 6.15.3
Fixed versions
6.12.34, 6.15.3

Recommended response sequence

Confirm exposure before applying a vendor-supported change.

Full remediation guide
  1. 1
    Identify

    Confirm that Linux Linux, linux kernel and an affected version are present.

  2. 2
    Prioritize

    Combine exploitation signals with asset exposure and business criticality.

  3. 3
    Remediate

    Follow the vendor advisory or supported update path and preserve rollback options.

  4. 4
    Verify

    Recheck the version, service health, access paths, and relevant logs.

Technical data

CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
CWE
CWE-416