{"id":"CVE-2021-47056","state":"PUBLISHED","title":"crypto: qat - ADF_STATUS_PF_RUNNING should be set after adf_dev_init","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qat - ADF_STATUS_PF_RUNNING should be set after adf_dev_init\n\nADF_STATUS_PF_RUNNING is (only) used and checked by adf_vf2pf_shutdown()\nbefore calling adf_iov_putmsg()->mutex_lock(vf2pf_lock), however the\nvf2pf_lock is initialized in adf_dev_init(), which can fail and when it\nfail, the vf2pf_lock is either not initialized or destroyed, a subsequent\nuse of vf2pf_lock will cause issue.\nTo fix this issue, only set this flag if adf_dev_init() returns 0.\n\n[    7.178404] BUG: KASAN: user-memory-access in __mutex_lock.isra.0+0x1ac/0x7c0\n[    7.180345] Call Trace:\n[    7.182576]  mutex_lock+0xc9/0xd0\n[    7.183257]  adf_iov_putmsg+0x118/0x1a0 [intel_qat]\n[    7.183541]  adf_vf2pf_shutdown+0x4d/0x7b [intel_qat]\n[    7.183834]  adf_dev_shutdown+0x172/0x2b0 [intel_qat]\n[    7.184127]  adf_probe+0x5e9/0x600 [qat_dh895xccvf]","publishedAt":"2024-02-29T22:37:31.086Z","updatedAt":"2026-05-11T13:47:13.711Z","severity":null,"assigner":"Linux","products":["Linux Linux"],"affected":[{"vendor":"Linux","product":"Linux","defaultStatus":"unaffected","versions":[{"version":"25c6ffb249f612c56a48ce48a3887adf57b8f4bd","status":"affected","lessThan":"f4c4e07140687f42bfa40e091bb4a55d7960ce4d","versionType":"git"},{"version":"25c6ffb249f612c56a48ce48a3887adf57b8f4bd","status":"affected","lessThan":"446045cf682af12d9294765f6c46084b374b5654","versionType":"git"},{"version":"25c6ffb249f612c56a48ce48a3887adf57b8f4bd","status":"affected","lessThan":"09d16cee6285d37cc76311c29add6d97a7e4acda","versionType":"git"},{"version":"25c6ffb249f612c56a48ce48a3887adf57b8f4bd","status":"affected","lessThan":"05ec8192ee4bfdf2a8894a68350dac9f1a155fa6","versionType":"git"},{"version":"25c6ffb249f612c56a48ce48a3887adf57b8f4bd","status":"affected","lessThan":"1f50392650ae794a1aea41c213c6a3e1c824413c","versionType":"git"},{"version":"25c6ffb249f612c56a48ce48a3887adf57b8f4bd","status":"affected","lessThan":"20fd40fc6f2c2b41dc6f637f88d494b14e9c21f1","versionType":"git"},{"version":"25c6ffb249f612c56a48ce48a3887adf57b8f4bd","status":"affected","lessThan":"1ea500ce6f7c9106e4a561d28e69215f3d451818","versionType":"git"},{"version":"25c6ffb249f612c56a48ce48a3887adf57b8f4bd","status":"affected","lessThan":"8609f5cfdc872fc3a462efa6a3eca5cb1e2f6446","versionType":"git"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/qat/qat_c3xxxvf/adf_drv.c","drivers/crypto/qat/qat_c62xvf/adf_drv.c","drivers/crypto/qat/qat_dh895xccvf/adf_drv.c"]},{"vendor":"Linux","product":"Linux","defaultStatus":"affected","versions":[{"version":"4.7","status":"affected"},{"version":"0","status":"unaffected","lessThan":"4.7","versionType":"semver"},{"version":"4.9.269","status":"unaffected","lessThanOrEqual":"4.9.*","versionType":"semver"},{"version":"4.14.233","status":"unaffected","lessThanOrEqual":"4.14.*","versionType":"semver"},{"version":"4.19.191","status":"unaffected","lessThanOrEqual":"4.19.*","versionType":"semver"},{"version":"5.4.119","status":"unaffected","lessThanOrEqual":"5.4.*","versionType":"semver"},{"version":"5.10.37","status":"unaffected","lessThanOrEqual":"5.10.*","versionType":"semver"},{"version":"5.11.21","status":"unaffected","lessThanOrEqual":"5.11.*","versionType":"semver"},{"version":"5.12.4","status":"unaffected","lessThanOrEqual":"5.12.*","versionType":"semver"},{"version":"5.13","status":"unaffected","lessThanOrEqual":"*","versionType":"original_commit_for_fix"}],"repo":"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git","programFiles":["drivers/crypto/qat/qat_c3xxxvf/adf_drv.c","drivers/crypto/qat/qat_c62xvf/adf_drv.c","drivers/crypto/qat/qat_dh895xccvf/adf_drv.c"]}],"references":["https://git.kernel.org/stable/c/f4c4e07140687f42bfa40e091bb4a55d7960ce4d","https://git.kernel.org/stable/c/446045cf682af12d9294765f6c46084b374b5654","https://git.kernel.org/stable/c/09d16cee6285d37cc76311c29add6d97a7e4acda","https://git.kernel.org/stable/c/05ec8192ee4bfdf2a8894a68350dac9f1a155fa6","https://git.kernel.org/stable/c/1f50392650ae794a1aea41c213c6a3e1c824413c","https://git.kernel.org/stable/c/20fd40fc6f2c2b41dc6f637f88d494b14e9c21f1","https://git.kernel.org/stable/c/1ea500ce6f7c9106e4a561d28e69215f3d451818","https://git.kernel.org/stable/c/8609f5cfdc872fc3a462efa6a3eca5cb1e2f6446"],"weaknesses":[],"ingestedAt":"2026-10-29T19:49:19.404Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2021/47xxx/CVE-2021-47056.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2021-47056","state":"PUBLISHED","datePublished":"2024-02-29T22:37:31.086Z","dateUpdated":"2026-05-11T13:47:13.711Z","assignerShortName":"Linux","assignerOrgId":"416baaa9-dc9f-4396-8d5f-8c081fb06d67","dateReserved":"2024-02-29T22:33:44.294Z"},"containers":{"cna":{"title":"crypto: qat - ADF_STATUS_PF_RUNNING should be set after adf_dev_init","descriptions":[{"lang":"en","value":"In the Linux kernel, the following vulnerability has been resolved:\n\ncrypto: qat - ADF_STATUS_PF_RUNNING should be set after adf_dev_init\n\nADF_STATUS_PF_RUNNING is (only) used and checked by adf_vf2pf_shutdown()\nbefore calling adf_iov_putmsg()->mutex_lock(vf2pf_lock), however the\nvf2pf_lock is initialized in adf_dev_init(), which can fail and when it\nfail, the vf2pf_lock is either not initialized or destroyed, a subsequent\nuse of vf2pf_lock will cause issue.\nTo fix this issue, only set this flag if adf_dev_init() returns 0.\n\n[    7.178404] BUG: KASAN: user-memory-access in __mutex_lock.isra.0+0x1ac/0x7c0\n[    7.180345] Call Trace:\n[    7.182576]  mutex_lock+0xc9/0xd0\n[    7.183257]  adf_iov_putmsg+0x118/0x1a0 [intel_qat]\n[    7.183541]  adf_vf2pf_shutdown+0x4d/0x7b [intel_qat]\n[    7.183834]  adf_dev_shutdown+0x172/0x2b0 [intel_qat]\n[    7.184127]  adf_probe+0x5e9/0x600 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