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CVE-2021-47358— staging: greybus: uart: fix tty use after free

EPSS 0.02% · P4

Affected Version Matrix 16

VendorProductVersion RangeStatus
LinuxLinuxa18e15175708d39abbe9746ddc3479466b7800c3< 92b67aaafb7c449db9f0c3dcabc0ff967cb3a42daffected
a18e15175708d39abbe9746ddc3479466b7800c3< 64062fcaca8872f063ec9da011e7bf30470be33faffected
a18e15175708d39abbe9746ddc3479466b7800c3< a5cfd51f6348e8fd7531461366946039c29c7e69affected
a18e15175708d39abbe9746ddc3479466b7800c3< 4dc56951a8d9d61d364d346c61a5f1d70b4f5e14affected
a18e15175708d39abbe9746ddc3479466b7800c3< b9e697e60ce9890e9258a73eb061288e7d68e5e6affected
a18e15175708d39abbe9746ddc3479466b7800c3< 9872ff6fdce8b229f01993b611b5d1719cb70ff1affected
a18e15175708d39abbe9746ddc3479466b7800c3< 92dc0b1f46e12cfabd28d709bb34f7a39431b44faffected
4.9affected
… +8 more rows
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I. Basic Information for CVE-2021-47358

Vulnerability Information
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Vulnerability Title
staging: greybus: uart: fix tty use after free
Source: NVD (National Vulnerability Database)
Vulnerability Description
In the Linux kernel, the following vulnerability has been resolved: staging: greybus: uart: fix tty use after free User space can hold a tty open indefinitely and tty drivers must not release the underlying structures until the last user is gone. Switch to using the tty-port reference counter to manage the life time of the greybus tty state to avoid use after free after a disconnect.
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，该漏洞源于内存释放后重用。
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 a18e15175708d39abbe9746ddc3479466b7800c3 ~ 92b67aaafb7c449db9f0c3dcabc0ff967cb3a42d -
LinuxLinux 4.9 -

II. Public POCs for CVE-2021-47358

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III. Intelligence Information for CVE-2021-47358

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Same Patch Batch · Linux · 2024-05-21 · 361 CVEs total

CVE-2021-47432lib/generic-radix-tree.c: Don't overflow in peek()
CVE-2023-52760gfs2: Fix slab-use-after-free in gfs2_qd_dealloc
CVE-2023-52757smb: client: fix potential deadlock when releasing mids
CVE-2023-52755ksmbd: fix slab out of bounds write in smb_inherit_dacl()
CVE-2023-52754media: imon: fix access to invalid resource for the second interface
CVE-2023-52753drm/amd/display: Avoid NULL dereference of timing generator
CVE-2023-52752smb: client: fix use-after-free bug in cifs_debug_data_proc_show()
CVE-2023-52751smb: client: fix use-after-free in smb2_query_info_compound()
CVE-2023-52750arm64: Restrict CPU_BIG_ENDIAN to GNU as or LLVM IAS 15.x or newer
CVE-2023-52749spi: Fix null dereference on suspend
CVE-2023-52748f2fs: avoid format-overflow warning
CVE-2022-48710drm/radeon: fix a possible null pointer dereference
CVE-2023-52742net: USB: Fix wrong-direction WARNING in plusb.c
CVE-2023-52738drm/amdgpu/fence: Fix oops due to non-matching drm_sched init/fini
CVE-2023-52740powerpc/64s/interrupt: Fix interrupt exit race with security mitigation switch
CVE-2023-52739Fix page corruption caused by racy check in __free_pages
CVE-2023-52741cifs: Fix use-after-free in rdata->read_into_pages()
CVE-2023-52743ice: Do not use WQ_MEM_RECLAIM flag for workqueue
CVE-2023-52746xfrm/compat: prevent potential spectre v1 gadget in xfrm_xlate32_attr()
CVE-2023-52747IB/hfi1: Restore allocated resources on failed copyout

Showing top 20 of 361 CVEs. View all on vendor page &rarr; →

IV. Related Vulnerabilities

Same product: Linux
Same vendor: Linux

V. Comments for CVE-2021-47358

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