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CVE-2021-47445— drm/msm: Fix null pointer dereference on pointer edp

EPSS 0.01% · P2

Affected Version Matrix 18

VendorProductVersion RangeStatus
LinuxLinuxab5b0107ccf3821a6837b0f2819270d6fa0b278f< f175b9a83e5c252d7c74acddc792840016caae0aaffected
ab5b0107ccf3821a6837b0f2819270d6fa0b278f< bacac7d26849c8e903ceb7466d9ce8dc3c2797ebaffected
ab5b0107ccf3821a6837b0f2819270d6fa0b278f< 0cd063aa0a09822cc1620fc59a67fe2f9f6338acaffected
ab5b0107ccf3821a6837b0f2819270d6fa0b278f< 7f642b93710b6b1119bdff90be01e6b5a2a5d669affected
ab5b0107ccf3821a6837b0f2819270d6fa0b278f< f302be08e3de94db8863a0b2958b2bb3e8e998e6affected
ab5b0107ccf3821a6837b0f2819270d6fa0b278f< 91a340768b012f5b910a203a805b97a345b3db37affected
ab5b0107ccf3821a6837b0f2819270d6fa0b278f< 46c8ddede0273d1d132beefa9de8b820326982beaffected
ab5b0107ccf3821a6837b0f2819270d6fa0b278f< 2133c4fc8e1348dcb752f267a143fe2254613b34affected
… +10 more rows
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I. Basic Information for CVE-2021-47445

Vulnerability Information
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Vulnerability Title
drm/msm: Fix null pointer dereference on pointer edp
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: drm/msm: Fix null pointer dereference on pointer edp The initialization of pointer dev dereferences pointer edp before edp is null checked, so there is a potential null pointer deference issue. Fix this by only dereferencing edp after edp has been null checked. Addresses-Coverity: ("Dereference before null check")
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，该漏洞源于空指针取消引用。
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 ab5b0107ccf3821a6837b0f2819270d6fa0b278f ~ f175b9a83e5c252d7c74acddc792840016caae0a -
LinuxLinux 4.0 -

II. Public POCs for CVE-2021-47445

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III. Intelligence Information for CVE-2021-47445

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

CVE-2021-47477comedi: dt9812: fix DMA buffers on stack
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-2021-47481RDMA/mlx5: Initialize the ODP xarray when creating an ODP MR
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-2021-47483regmap: Fix possible double-free in regcache_rbtree_exit()
CVE-2021-47476comedi: ni_usb6501: fix NULL-deref in command paths
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()

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-2021-47445

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