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CVE-2021-47485— IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields

EPSS 0.02% · P6

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinuxf931551bafe1f10ded7f5282e2aa162c267a2e5d< bda41654b6e0c125a624ca35d6d20beb8015b5d0affected
f931551bafe1f10ded7f5282e2aa162c267a2e5d< 3f57c3f67fd93b4da86aeffea1ca32c484d054adaffected
f931551bafe1f10ded7f5282e2aa162c267a2e5d< 60833707b968d5ae02a75edb7886dcd4a957cf0daffected
f931551bafe1f10ded7f5282e2aa162c267a2e5d< 73d2892148aa4397a885b4f4afcfc5b27a325c42affected
f931551bafe1f10ded7f5282e2aa162c267a2e5d< 0f8cdfff06829a0b0348b6debc29ff6a61967724affected
f931551bafe1f10ded7f5282e2aa162c267a2e5d< c3e17e58f571f34c51aeb17274ed02c2ed5cf780affected
f931551bafe1f10ded7f5282e2aa162c267a2e5d< 0d4395477741608d123dad51def9fe50b7ebe952affected
f931551bafe1f10ded7f5282e2aa162c267a2e5d< d39bf40e55e666b5905fdbd46a0dced030ce87beaffected
… +10 more rows
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I. Basic Information for CVE-2021-47485

Vulnerability Information
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Vulnerability Title
IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: IB/qib: Protect from buffer overflow in struct qib_user_sdma_pkt fields Overflowing either addrlimit or bytes_togo can allow userspace to trigger a buffer overflow of kernel memory. Check for overflows in all the places doing math on user controlled buffers.
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struct qib_user_sdma_pkt字段存在缓冲区溢出问题。
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 f931551bafe1f10ded7f5282e2aa162c267a2e5d ~ bda41654b6e0c125a624ca35d6d20beb8015b5d0 -
LinuxLinux 2.6.35 -

II. Public POCs for CVE-2021-47485

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III. Intelligence Information for CVE-2021-47485

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Same Patch Batch · Linux · 2024-05-22 · 63 CVEs total

CVE-2021-47476comedi: ni_usb6501: fix NULL-deref in command paths
CVE-2021-47493ocfs2: fix race between searching chunks and release journal_head from buffer_head
CVE-2021-47495usbnet: sanity check for maxpacket
CVE-2021-47496net/tls: Fix flipped sign in tls_err_abort() calls
CVE-2021-47494cfg80211: fix management registrations locking
CVE-2021-47482net: batman-adv: fix error handling
CVE-2021-47480scsi: core: Put LLD module refcnt after SCSI device is released
CVE-2021-47478isofs: Fix out of bound access for corrupted isofs image
CVE-2021-47479staging: rtl8712: fix use-after-free in rtl8712_dl_fw
CVE-2021-47477comedi: dt9812: fix DMA buffers on stack
CVE-2021-47481RDMA/mlx5: Initialize the ODP xarray when creating an ODP MR
CVE-2021-47475comedi: vmk80xx: fix transfer-buffer overflows
CVE-2021-47474comedi: vmk80xx: fix bulk-buffer overflow
CVE-2021-47473scsi: qla2xxx: Fix a memory leak in an error path of qla2x00_process_els()
CVE-2021-47471drm: mxsfb: Fix NULL pointer dereference crash on unload
CVE-2021-47470mm, slub: fix potential use-after-free in slab_debugfs_fops
CVE-2021-47468isdn: mISDN: Fix sleeping function called from invalid context
CVE-2021-47467kunit: fix reference count leak in kfree_at_end
CVE-2021-47466mm, slub: fix potential memoryleak in kmem_cache_open()
CVE-2021-47465KVM: PPC: Book3S HV: Fix stack handling in idle_kvm_start_guest()

Showing top 20 of 63 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2021-47485

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