{ "schemaVersion": 1, "attribution": [ { "source": "CISA Known Exploited Vulnerabilities", "url": "https://www.cisa.gov/known-exploited-vulnerabilities-catalog", "licence": "US government work" }, { "source": "GitHub Advisory Database", "url": "https://github.com/advisories", "licence": "CC BY 4.0" }, { "source": "Have I Been Pwned", "url": "https://haveibeenpwned.com/", "licence": "CC BY 4.0" }, { "source": "CVE Program (CVE records)", "url": "https://www.cve.org/Legal/TermsOfUse", "licence": "CVE Terms of Use", "notice": "Copyright © 1999-2026, The MITRE Corporation. CVE is a trademark and the CVE logo is a registered trademark of The MITRE Corporation.", "terms": "CVE Usage: MITRE hereby grants you a perpetual, worldwide, non-exclusive, no-charge, royalty-free, irrevocable copyright license to reproduce, prepare derivative works of, publicly display, publicly perform, sublicense, and distribute Common Vulnerabilities and Exposures (CVE™). Any copy you make for such purposes is authorized provided that you reproduce MITRE's copyright designation and this license in any such copy." }, { "source": "FIRST EPSS", "url": "https://www.first.org/epss/", "licence": "free to use; FIRST requests attribution" } ], "record": { "id": "CVE-2025-38581", "sourceURL": "https://www.cve.org/CVERecord?id=CVE-2025-38581", "idYear": 2025, "status": "PUBLISHED", "publishedAt": "2025-08-19T17:03:03.718Z", "updatedAt": "2026-05-11T21:30:55.723Z", "importedAt": "2026-10-24T01:57:34.152Z", "snapshot": { "id": "cve_2026-10-24_midnight_baseline", "at": "2026-10-24T00:00:00.000Z", "source": "https://github.com/CVEProject/cvelistV5/releases/tag/cve_2026-10-24_0100Z" }, "facts": { "title": "crypto: ccp - Fix crash when rebind ccp device for ccp.ko", "summary": "In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccp - Fix crash when rebind ccp device for ccp.ko\n\nWhen CONFIG_CRYPTO_DEV_CCP_DEBUGFS is enabled, rebinding\nthe ccp device causes the following crash:\n\n$ echo '0000:0a:00.2' > /sys/bus/pci/drivers/ccp/unbind\n$ echo '0000:0a:00.2' > /sys/bus/pci/drivers/ccp/bind\n\n[ 204.976930] BUG: kernel NULL pointer dereference, address: 0000000000000098\n[ 204.978026] #PF: supervisor write access in kernel mode\n[ 204.979126] #PF: error_code(0x0002) - not-present page\n[ 204.980226] PGD 0 P4D 0\n[ 204.981317] Oops: Oops: 0002 [#1] SMP NOPTI\n...\n[ 204.997852] Call Trace:\n[ 204.999074] \n[ 205.000297] start_creating+0x9f/0x1c0\n[ 205.001533] debugfs_create_dir+0x1f/0x170\n[ 205.002769] ? srso_return_thunk+0x5/0x5f\n[ 205.004000] ccp5_debugfs_setup+0x87/0x170 [ccp]\n[ 205.005241] ccp5_init+0x8b2/0x960 [ccp]\n[ 205.006469] ccp_dev_init+0xd4/0x150 [ccp]\n[ 205.007709] sp_init+0x5f/0x80 [ccp]\n[ 205.008942] sp_pci_probe+0x283/0x2e0 [ccp]\n[ 205.010165] ? srso_return_thunk+0x5/0x5f\n[ 205.011376] local_pci_probe+0x4f/0xb0\n[ 205.012584] pci_device_probe+0xdb/0x230\n[ 205.013810] really_probe+0xed/0x380\n[ 205.015024] __driver_probe_device+0x7e/0x160\n[ 205.016240] device_driver_attach+0x2f/0x60\n[ 205.017457] bind_store+0x7c/0xb0\n[ 205.018663] drv_attr_store+0x28/0x40\n[ 205.019868] sysfs_kf_write+0x5f/0x70\n[ 205.021065] kernfs_fop_write_iter+0x145/0x1d0\n[ 205.022267] vfs_write+0x308/0x440\n[ 205.023453] ksys_write+0x6d/0xe0\n[ 205.024616] __x64_sys_write+0x1e/0x30\n[ 205.025778] x64_sys_call+0x16ba/0x2150\n[ 205.026942] do_syscall_64+0x56/0x1e0\n[ 205.028108] entry_SYSCALL_64_after_hwframe+0x76/0x7e\n[ 205.029276] RIP: 0033:0x7fbc36f10104\n[ 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\n\nThis patch sets ccp_debugfs_dir to NULL after destroying it in\nccp5_debugfs_destroy, allowing the directory dentry to be\nrecreated when rebinding the ccp device.\n\nTested on AMD Ryzen 7 1700X.", "affected": [ { "vendor": "Linux", "product": "Linux", "defaultStatus": "unaffected", "versions": [ { "version": "3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0", "status": "affected", "versionType": "git", "lessThan": "a25ab6dfa0ce323ec308966988be6b675eb9d3e5" }, { "version": "3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0", "status": "affected", "versionType": "git", "lessThan": "ce63a83925964ab7564bd216bd92b80bc365492e" }, { "version": "3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0", "status": "affected", "versionType": "git", "lessThan": "20c0ed8dd65834e6bab464f54cd6ff68659bacb9" }, { "version": "3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0", "status": "affected", "versionType": "git", "lessThan": "2d4060f05e74dbee884ba723f6afd9282befc3c5" }, { "version": "3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0", "status": "affected", "versionType": "git", "lessThan": "db111468531777cac8b4beb6515a88a54b0c4a74" }, { "version": "3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0", "status": "affected", "versionType": "git", "lessThan": "9dea08eac4f6d6fbbae59992978252e2edab995d" }, { "version": "3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0", "status": "affected", "versionType": "git", "lessThan": "6eadf50c1d894cb34f3237064063207460946040" }, { "version": "3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0", "status": "affected", "versionType": "git", "lessThan": "64ec9a7e7a6398b172ab6feba60e952163a1c3d5" }, { "version": "3cdbe346ed3f380eae1cb3e9febfe703e7d8a7b0", "status": "affected", "versionType": "git", "lessThan": "181698af38d3f93381229ad89c09b5bd0496661a" } ] }, { "vendor": "Linux", "product": "Linux", "defaultStatus": "affected", "versions": [ { "version": "4.13", "status": "affected" }, { "version": "0", "status": "unaffected", "versionType": "semver", "lessThan": "4.13" }, { "version": "5.4.297", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.4.*" }, { "version": "5.10.241", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.10.*" }, { "version": "5.15.190", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "5.15.*" }, { "version": "6.1.148", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.1.*" }, { "version": "6.6.102", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.6.*" }, { "version": "6.12.42", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.12.*" }, { "version": "6.15.10", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.15.*" }, { "version": "6.16.1", "status": "unaffected", "versionType": "semver", "lessThanOrEqual": "6.16.*" }, { "version": "6.17", "status": "unaffected", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*" } ] } ] } } }