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PT-2022-4321

🗓️ 09 Aug 2022 00:00:00Reported by Positive TechnologiesType 
ptsecurity
 ptsecurity🔗 dbugs.ptsecurity.com👁 10 Views

Linux kernel route4 change use after free enables local privilege escalation or arbitrary code execution.

Related
Refs
ReporterTitlePublishedViews
Family
bdu_fstec
BDU FSTEC		The vulnerability of microprogramming software for Intel and AMD processors allows attackers to extract sensitive information from the kernel’s memory or launch attacks on host systems from virtual machines.
15 Jul 202200:00
–bdu_fstec
bdu_fstec
BDU FSTEC		The vulnerability of microprogramming software for Intel and AMD processors allows attackers to extract sensitive information from the kernel’s memory or launch attacks on host systems from virtual machines.
15 Jul 202200:00
–bdu_fstec
bdu_fstec
BDU FSTEC		The vulnerability in the implementation of the VT_DISALLOCATE function in Linux kernel allows a attacker to trigger a service failure.
29 Jul 202200:00
–bdu_fstec
bdu_fstec
BDU FSTEC		The vulnerability of the nfnetlink_queue module in Linux operating systems, related to incorrect handling of verdicts with a single-byte attribute nfta_payload, allows a perpetrator to trigger a service failure.
29 Jul 202200:00
–bdu_fstec
bdu_fstec
BDU FSTEC		The vulnerability of the `clear_bss` function in Linux operating system kernels, related to errors during the clearing of the initial symbol of a block (.bss), allows an attacker to execute arbitrary code.
1 Aug 202200:00
–bdu_fstec
bdu_fstec
BDU FSTEC		The vulnerability in the `nft_set_elem_init` function of the `net/netfilter/nf_tables_api.c` file, belonging to the User Namespace Handler component in the Linux operating system’s kernel, allows a hacker to gain root access.
2 Aug 202200:00
–bdu_fstec
bdu_fstec
BDU FSTEC		The vulnerability in the implementation of the VTRESIZEEX function in Linux operating system kernels allows a attacker to cause a service failure. [source-iocs-preserved const=VT_RESIZEX]
2 Aug 202200:00
–bdu_fstec
bdu_fstec
BDU FSTEC		The vulnerability of the cross-platform hypervisor Xen in Linux operating systems allows a perpetrator to gain unauthorized access to protected information or cause service failures.
10 Aug 202200:00
–bdu_fstec
bdu_fstec
BDU FSTEC		The vulnerability of the Linux operating system’s kernel, allowing a hacker to execute arbitrary code
10 Aug 202200:00
–bdu_fstec
bdu_fstec
BDU FSTEC		The vulnerability of the Linux operating system’s kernel memory management subsystem, which allows attackers to increase their privileges
12 Aug 202200:00
–bdu_fstec
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03 Dec 2025 00:00Current
8.7High risk
Vulners AI Score8.7
CVSS 3.17.8 - 9.8
CVSS 22.7 - 10
CVSS 37.8 - 8
EPSS0.98745
SSVC
linux kernelroute4 changeuse after freeprivilege escalationdenial of servicearbitrary codelocal attackercredentials replacement
10