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PT-2021-4248

🗓️ 04 May 2021 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity🔗 dbugs.ptsecurity.com👁 18 Views

Local privilege escalation via use after free in Linux NFC sockets; update to 5.12.4 or newer.

Related
Refs
ReporterTitlePublishedViews
Family
bdu_fstec		The vulnerability of the `detach_capi_ctr` function in the driver `/isdn/capi/kcapi.c` of Linux operating system kernels allows a hacker to cause a service failure.
16 Nov 202100:00
–bdu_fstec
bdu_fstec		The vulnerability of the mwifiex_usb_recv function (drivers/net/wireless/marvell/mwifiex/usb.c) in the Linux kernel allows a hacker to cause a service failure.
24 Dec 202100:00
–bdu_fstec
bdu_fstec		Vulnerability of the hw_atlUtils_fw_rpc_wait function (drivers/net/ethernet/aquantia/atlantic/hw_atl/hw_atlUtils.c) in the Linux kernel, allowing a hacker to execute arbitrary code
24 Dec 202100:00
–bdu_fstec
bdu_fstec		The vulnerability of the TEE_IOC_OPEN_SESSION or TEE_IOC_INVOKE system call implementations in Linux operating systems allows a malicious actor to trigger a service failure or increase their privileges.
4 Jan 202200:00
–bdu_fstec
bdu_fstec		The vulnerability of the pep_sock_accept function in the Linux operating system’s net/phonet/pep.c file, which allows a hacker to gain unauthorized access to protected information.
12 Jan 202200:00
–bdu_fstec
bdu_fstec		The vulnerability in the implementation of the close() and fget() functions in Linux kernel allows a hacker to cause a service failure or enhance their privileges.
12 Jan 202200:00
–bdu_fstec
bdu_fstec		The vulnerability of the `__rds_conn_create()` function in the Linux operating system allows a hacker to cause a service failure.
12 Jan 202200:00
–bdu_fstec
bdu_fstec		The vulnerability of the BPF subsystem in the Linux operating system allows attackers to compromise the confidentiality, integrity, and accessibility of the protected information.
12 Jan 202200:00
–bdu_fstec
bdu_fstec		The vulnerability of the Ceph software object storage network, related to authentication procedures that allow attackers to access confidential data, compromise the integrity of those data, and cause service failures.
17 Jan 202200:00
–bdu_fstec
bdu_fstec		The vulnerability of the nf_tables_newset function (net/netfilter/nf_tables_api.c) in Linux operating system kernels, which allows a hacker to cause a service failure
1 Feb 202200:00
–bdu_fstec
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02 Oct 2025 00:00Current
7.9High risk
Vulners AI Score7.9
CVSS 3.17.8 - 9.8
CVSS 29
CVSS 37.4 - 8.8
CVSS 48.7
EPSS0.89063
SSVC
linux kernelnfc socketsprivilege escalationupdate 5.12.4capability net raw
18