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CVE-2021-47056— crypto: qat - ADF_STATUS_PF_RUNNING should be set after adf_dev_init

EPSS 0.01% · P2
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I. Basic Information for CVE-2021-47056

Vulnerability Information
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Vulnerability Title
crypto: qat - ADF_STATUS_PF_RUNNING should be set after adf_dev_init
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: crypto: qat - ADF_STATUS_PF_RUNNING should be set after adf_dev_init ADF_STATUS_PF_RUNNING is (only) used and checked by adf_vf2pf_shutdown() before calling adf_iov_putmsg()->mutex_lock(vf2pf_lock), however the vf2pf_lock is initialized in adf_dev_init(), which can fail and when it fail, the vf2pf_lock is either not initialized or destroyed, a subsequent use of vf2pf_lock will cause issue. To fix this issue, only set this flag if adf_dev_init() returns 0. [ 7.178404] BUG: KASAN: user-memory-access in __mutex_lock.isra.0+0x1ac/0x7c0 [ 7.180345] Call Trace: [ 7.182576] mutex_lock+0xc9/0xd0 [ 7.183257] adf_iov_putmsg+0x118/0x1a0 [intel_qat] [ 7.183541] adf_vf2pf_shutdown+0x4d/0x7b [intel_qat] [ 7.183834] adf_dev_shutdown+0x172/0x2b0 [intel_qat] [ 7.184127] adf_probe+0x5e9/0x600 [qat_dh895xccvf]
Source: NVD (National Vulnerability Database)
CVSS Information
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Type
N/A
Source: NVD (National Vulnerability Database)
Vulnerability Title
Linux kernel 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Linux kernel是美国Linux基金会的开源操作系统Linux所使用的内核。 Linux kernel 存在安全漏洞，该漏洞源于vf2pf_lock 在 adf_dev_init() 中初始化，当失败时，vf2pf_lock 要么未初始化，要么被销毁 ，后续使用 vf2pf_lock 将导致问题。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

VendorProductAffected VersionsCPESubscribe
LinuxLinux 25c6ffb249f612c56a48ce48a3887adf57b8f4bd ~ f4c4e07140687f42bfa40e091bb4a55d7960ce4d -
LinuxLinux 4.7 -

II. Public POCs for CVE-2021-47056

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III. Intelligence Information for CVE-2021-47056

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Same Patch Batch · Linux · 2024-02-29 · 53 CVEs total

CVE-2021-47016m68k: mvme147,mvme16x: Don't wipe PCC timer config bits
CVE-2021-47068net/nfc: fix use-after-free llcp_sock_bind/connect
CVE-2021-47067soc/tegra: regulators: Fix locking up when voltage-spread is out of range
CVE-2021-47062KVM: SVM: Use online_vcpus, not created_vcpus, to iterate over vCPUs
CVE-2021-47065rtw88: Fix array overrun in rtw_get_tx_power_params()
CVE-2021-47064mt76: fix potential DMA mapping leak
CVE-2021-47063drm: bridge/panel: Cleanup connector on bridge detach
CVE-2021-47066async_xor: increase src_offs when dropping destination page
CVE-2021-47054bus: qcom: Put child node before return
CVE-2021-47020soundwire: stream: fix memory leak in stream config error path
CVE-2021-47055mtd: require write permissions for locking and badblock ioctls
CVE-2021-46959spi: Fix use-after-free with devm_spi_alloc_*
CVE-2024-26620s390/vfio-ap: always filter entire AP matrix
CVE-2024-26619riscv: Fix module loading free order
CVE-2024-26618arm64/sme: Always exit sme_alloc() early with existing storage
CVE-2024-26617fs/proc/task_mmu: move mmu notification mechanism inside mm lock
CVE-2024-26616btrfs: scrub: avoid use-after-free when chunk length is not 64K aligned
CVE-2024-26615net/smc: fix illegal rmb_desc access in SMC-D connection dump
CVE-2024-26614tcp: make sure init the accept_queue's spinlocks once
CVE-2024-26612netfs, fscache: Prevent Oops in fscache_put_cache()

Showing top 20 of 53 CVEs. View all on vendor page → →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

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