{"api_version":"1","generated_at":"2026-10-27T15:28:17+00:00","cve":"CVE-2026-98871","urls":{"html":"https://cve.report/CVE-2026-98871","api":"https://cve.report/api/cve/CVE-2026-98871.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2026-98871","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2026-98871"},"summary":{"title":"crypto: ccp - Fix possible deadlock in SEV init failure path","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccp - Fix possible deadlock in SEV init failure path\n\n__sev_platform_init_handle_init_ex_path() calls\nrmp_mark_pages_firmware() with locked=false while the parent\nfunction of init_ex_path already acquired the sev_cmd_mutex.\nIn the case of an RMPUPDATE failure for any page after the first, the cleanup\npath would invoke reclaim pages which would result in a deadlock in\nsev_do_cmd.\n\nPass locked=true to honor the lock status of the parent function.","state":"PUBLISHED","assigner":"Linux","published_at":"2026-10-23 12:18:20","updated_at":"2026-10-23 12:18:20"},"problem_types":[],"metrics":[],"references":[{"url":"https://git.kernel.org/stable/c/b0e7ec0dab242c5e480121ba12400d0513e37ca2","name":"https://git.kernel.org/stable/c/b0e7ec0dab242c5e480121ba12400d0513e37ca2","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4","name":"https://git.kernel.org/stable/c/364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1","name":"https://git.kernel.org/stable/c/8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://git.kernel.org/stable/c/ffd3a3df92be697eb78118a146c6a5d5e6c1f724","name":"https://git.kernel.org/stable/c/ffd3a3df92be697eb78118a146c6a5d5e6c1f724","refsource":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","tags":[],"title":"","mime":"","httpstatus":"","archivestatus":"0"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-98871","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-98871","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7364a6fbca45f826952ea932699fb2171d06ee73 8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7364a6fbca45f826952ea932699fb2171d06ee73 ffd3a3df92be697eb78118a146c6a5d5e6c1f724 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7364a6fbca45f826952ea932699fb2171d06ee73 364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 7364a6fbca45f826952ea932699fb2171d06ee73 b0e7ec0dab242c5e480121ba12400d0513e37ca2 git","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"affected 6.9","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.9 semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.12.111 6.12.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 6.18.53 6.18.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.2.6 7.2.* semver","platforms":[]},{"source":"CNA","vendor":"Linux","product":"Linux","version":"unaffected 7.3 * original_commit_for_fix","platforms":[]}],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[]},"source_records":{"cve_program":{"containers":{"cna":{"affected":[{"defaultStatus":"unaffected","product":"Linux","programFiles":["drivers/crypto/ccp/sev-dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"lessThan":"8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1","status":"affected","version":"7364a6fbca45f826952ea932699fb2171d06ee73","versionType":"git"},{"lessThan":"ffd3a3df92be697eb78118a146c6a5d5e6c1f724","status":"affected","version":"7364a6fbca45f826952ea932699fb2171d06ee73","versionType":"git"},{"lessThan":"364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4","status":"affected","version":"7364a6fbca45f826952ea932699fb2171d06ee73","versionType":"git"},{"lessThan":"b0e7ec0dab242c5e480121ba12400d0513e37ca2","status":"affected","version":"7364a6fbca45f826952ea932699fb2171d06ee73","versionType":"git"}]},{"defaultStatus":"affected","product":"Linux","programFiles":["drivers/crypto/ccp/sev-dev.c"],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","vendor":"Linux","versions":[{"status":"affected","version":"6.9"},{"lessThan":"6.9","status":"unaffected","version":"0","versionType":"semver"},{"lessThanOrEqual":"6.12.*","status":"unaffected","version":"6.12.111","versionType":"semver"},{"lessThanOrEqual":"6.18.*","status":"unaffected","version":"6.18.53","versionType":"semver"},{"lessThanOrEqual":"7.2.*","status":"unaffected","version":"7.2.6","versionType":"semver"},{"lessThanOrEqual":"*","status":"unaffected","version":"7.3","versionType":"original_commit_for_fix"}]}],"cpeApplicability":[{"nodes":[{"cpeMatch":[{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.12.111","versionStartIncluding":"6.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"6.18.53","versionStartIncluding":"6.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.2.6","versionStartIncluding":"6.9","vulnerable":true},{"criteria":"cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*","versionEndExcluding":"7.3","versionStartIncluding":"6.9","vulnerable":true}],"negate":false,"operator":"OR"}]}],"descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccp - Fix possible deadlock in SEV init failure path\n\n__sev_platform_init_handle_init_ex_path() calls\nrmp_mark_pages_firmware() with locked=false while the parent\nfunction of init_ex_path already acquired the sev_cmd_mutex.\nIn the case of an RMPUPDATE failure for any page after the first, the cleanup\npath would invoke reclaim pages which would result in a deadlock in\nsev_do_cmd.\n\nPass locked=true to honor the lock status of the parent function."}],"providerMetadata":{"dateUpdated":"2026-10-23T11:37:09.369Z","orgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","shortName":"Linux"},"references":[{"url":"https://git.kernel.org/stable/c/8e7e06ee7c2938ee3fa31a61cc5289a45c8c13f1"},{"url":"https://git.kernel.org/stable/c/ffd3a3df92be697eb78118a146c6a5d5e6c1f724"},{"url":"https://git.kernel.org/stable/c/364f3841bc22c72b6e2cb72a1e3c91c9c8fc1ef4"},{"url":"https://git.kernel.org/stable/c/b0e7ec0dab242c5e480121ba12400d0513e37ca2"}],"title":"crypto: ccp - Fix possible deadlock in SEV init failure path","x_generator":{"engine":"bippy-1.2.0"}}},"cveMetadata":{"assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","assignerShortName":"Linux","cveId":"CVE-2026-98871","datePublished":"2026-10-23T11:37:09.369Z","dateReserved":"2026-09-25T10:25:14.377Z","dateUpdated":"2026-10-23T11:37:09.369Z","state":"PUBLISHED"},"dataType":"CVE_RECORD","dataVersion":"5.2"},"nvd":{"publishedDate":"2026-10-23 12:18:20","lastModifiedDate":"2026-10-23 12:18:20","problem_types":[],"metrics":[],"configurations":[]},"legacy_mitre":{"record":{"CveYear":"2026","CveId":"98871","Ordinal":"1","Title":"crypto: ccp - Fix possible deadlock in SEV init failure path","CVE":"CVE-2026-98871","Year":"2026"},"notes":[{"CveYear":"2026","CveId":"98871","Ordinal":"1","NoteData":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: ccp - Fix possible deadlock in SEV init failure path\n\n__sev_platform_init_handle_init_ex_path() calls\nrmp_mark_pages_firmware() with locked=false while the parent\nfunction of init_ex_path already acquired the sev_cmd_mutex.\nIn the case of an RMPUPDATE failure for any page after the first, the cleanup\npath would invoke reclaim pages which would result in a deadlock in\nsev_do_cmd.\n\nPass locked=true to honor the lock status of the parent function.","Type":"Description","Title":"crypto: ccp - Fix possible deadlock in SEV init failure path"}]}}}