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CVE-2021-47478— isofs: Fix out of bound access for corrupted isofs image

EPSS 0.01% · P2

Affected Version Matrix 20

VendorProductVersion RangeStatus
LinuxLinux1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 156ce5bb6cc43a80a743810199defb1dc3f55b7faffected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 9ec33a9b8790c212cc926a88c5e2105f97f3f57eaffected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< afbd40f425227e661d991757e11cc4db024e761faffected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< b0ddff8d68f2e43857a84dce54c3deab181c8ae1affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 6e80e9314f8bb52d9eabe1907698718ff01120f5affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< 86d4aedcbc69c0f84551fb70f953c24e396de2d7affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< b2fa1f52d22c5455217b294629346ad23a744945affected
1da177e4c3f41524e886b7f1b8a0c1fc7321cac2< e7fb722586a2936b37bdff096c095c30ca06404daffected
… +12 more rows
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I. Basic Information for CVE-2021-47478

Vulnerability Information
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Vulnerability Title
isofs: Fix out of bound access for corrupted isofs image
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: isofs: Fix out of bound access for corrupted isofs image When isofs image is suitably corrupted isofs_read_inode() can read data beyond the end of buffer. Sanity-check the directory entry length before using it.
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，该漏洞源于当 isofs 图像被损坏时， isofs_read_inode函数可以读取超出缓冲区末尾的数据。
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 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 ~ 156ce5bb6cc43a80a743810199defb1dc3f55b7f -
LinuxLinux 2.6.12 -

II. Public POCs for CVE-2021-47478

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III. Intelligence Information for CVE-2021-47478

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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-2021-47481RDMA/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-2021-47479staging: rtl8712: fix use-after-free in rtl8712_dl_fw
CVE-2021-47477comedi: dt9812: fix DMA buffers on stack
CVE-2021-47483regmap: Fix possible double-free in regcache_rbtree_exit()
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-2021-47478

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