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Back to active CVEs
Unknown severity · Source severity not reportedCVE-2025-38581

crypto: ccp - Fix crash when rebind ccp device for ccp.koCVE-2025-38581

Answer in brief

CVE-2025-38581 records a Unknown severity vulnerability in crypto: ccp - Fix crash when rebind ccp device for ccp.ko. The current sources do not mark it as known exploited. The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Analysis pending evidence review

HOL Guard separates source facts from reviewed analysis. See the methodology.

Published Aug 19, 2025Updated Nov 5, 2026Source checked Nov 5, 2026First seen by HOL Nov 5, 2026Material review Nov 5, 2026
Upstream Advisory

Key facts

Risk
Unknown severitySource severity not reported
Exploitation
Not marked as known exploited
Affected software
2 mapped packages or products
Fix availability
Available

Why this deserves its current priority

A CVSS score is not reported in the current record. The current sources do not mark it as known exploited. Treat this as a source-backed prioritization signal, not a statement about your environment.

Analysis status

Analysis pending evidence review

Factual feed record only; HOL analysis is not approved for indexing. Read the methodology.

Affected scope and exposure questions

The current feed maps Linux/Linux (generic), Linux/Linux (generic). Check affected ranges and fixed versions before updating.

Mapped affected packages and fixed versions
PackageAffected rangeFixed version
Linux/Linuxgeneric>=3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0 <a25ab6dfa0ce323ec308966988be6b675eb9d3e5 || >=3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0 <ce63a83925964ab7564bd216bd92b80bc365492e || >=3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0 <20c0ed8dd65834e6bab464f54cd6ff68659bacb9 || >=3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0 <2d4060f05e74dbee884ba723f6afd9282befc3c5 || >=3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0 <db111468531777cac8b4beb6515a88a54b0c4a74 || >=3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0 <9dea08eac4f6d6fbbae59992978252e2edab995d || >=3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0 <6eadf50c1d894cb34f3237064063207460946040 || >=3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0 <64ec9a7e7a6398b172ab6feba60e952163a1c3d5 || >=3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0 <181698af38d3f93381229ad89c09b5bd0496661aa25ab6dfa0ce323ec308966988be6b675eb9d3e5, ce63a83925964ab7564bd216bd92b80bc365492e, 20c0ed8dd65834e6bab464f54cd6ff68659bacb9, 2d4060f05e74dbee884ba723f6afd9282befc3c5, db111468531777cac8b4beb6515a88a54b0c4a74, 9dea08eac4f6d6fbbae59992978252e2edab995d, 6eadf50c1d894cb34f3237064063207460946040, 64ec9a7e7a6398b172ab6feba60e952163a1c3d5, 181698af38d3f93381229ad89c09b5bd0496661a
Linux/Linuxgeneric4.13Not reported

Recommended response

  1. 1Check inventory. Check lockfiles and deployed manifests for Linux/Linux, Linux/Linux.
  2. 2Review the reported fix. Update Linux/Linux to a25ab6dfa0ce323ec308966988be6b675eb9d3e5 if you use the affected versions. Test the change in a non-production environment first.

Evidence timeline and material changes

  1. Published upstream

    Aug 19, 2025

    Evidence: source:cvelist:source_dates:source-dates:record

  2. Source modified

    Nov 5, 2026

    Evidence: source:cvelist:source_dates:source-dates:record

  3. First seen by HOL

    Nov 5, 2026

Sources and claim methodology

  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencegit.kernel.org
  • Source referencelists.debian.org
  • Source referencelists.debian.org
Upstream source description

In the Linux kernel, the following vulnerability has been resolved: crypto: ccp - Fix crash when rebind ccp device for ccp.ko When CONFIG_CRYPTO_DEV_CCP_DEBUGFS is enabled, rebinding the ccp device causes the following crash: $ echo '0000:0a:00.2' > /sys/bus/pci/drivers/ccp/unbind $ echo '0000:0a:00.2' > /sys/bus/pci/drivers/ccp/bind [ 204.976930] BUG: kernel NULL pointer dereference, address: 0000000000000098 [ 204.978026] #PF: supervisor write access in kernel mode [ 204.979126] #PF: error_code(0x0002) - not-present page [ 204.980226] PGD 0 P4D 0 [ 204.981317] Oops: Oops: 0002 [#1] SMP NOPTI ... [ 204.997852] Call Trace: [ 204.999074] <TASK> [ 205.000297] start_creating+0x9f/0x1c0 [ 205.001533] debugfs_create_dir+0x1f/0x170 [ 205.002769] ? srso_return_thunk+0x5/0x5f [ 205.004000] ccp5_debugfs_setup+0x87/0x170 [ccp] [ 205.005241] ccp5_init+0x8b2/0x960 [ccp] [ 205.006469] ccp_dev_init+0xd4/0x150 [ccp] [ 205.007709] sp_init+0x5f/0x80 [ccp] [ 205.008942] sp_pci_probe+0x283/0x2e0 [ccp] [ 205.010165] ? srso_return_thunk+0x5/0x5f [ 205.011376] local_pci_probe+0x4f/0xb0 [ 205.012584] pci_device_probe+0xdb/0x230 [ 205.013810] really_probe+0xed/0x380 [ 205.015024] __driver_probe_device+0x7e/0x160 [ 205.016240] device_driver_attach+0x2f/0x60 [ 205.017457] bind_store+0x7c/0xb0 [ 205.018663] drv_attr_store+0x28/0x40 [ 205.019868] sysfs_kf_write+0x5f/0x70 [ 205.021065] kernfs_fop_write_iter+0x145/0x1d0 [ 205.022267] vfs_write+0x308/0x440 [ 205.023453] ksys_write+0x6d/0xe0 [ 205.024616] __x64_sys_write+0x1e/0x30 [ 205.025778] x64_sys_call+0x16ba/0x2150 [ 205.026942] do_syscall_64+0x56/0x1e0 [ 205.028108] entry_SYSCALL_64_after_hwframe+0x76/0x7e [ 205.029276] RIP: 0033:0x7fbc36f10104 [ 205.030420] Code: 89 02 48 c7 c0 ff ff ff ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 8d 05 e1 08 2e 00 8b 00 85 c0 75 13 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 54 f3 c3 66 90 41 54 55 49 89 d4 53 48 89 f5 This patch sets ccp_debugfs_dir to NULL after destroying it in ccp5_debugfs_destroy, allowing the directory dentry to be recreated when rebinding the ccp device. Tested on AMD Ryzen 7 1700X.

Quoted source text, attributed separately from HOL analysis.

Record context

Vulnerability class
Vulnerability
EPSS
Not reported
CWE IDs
Not reported
Source
CVE List V5
Source checked
Nov 5, 2026
References
11 linked sources
Open source record