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githubexploit87943DDC-EF03-5BBB-B434-BA7E7249620D
HistoryFeb 04, 2023 - 10:42 p.m.

Exploit for Externally Controlled Reference to a Resource in Another Sphere in Linux Linux Kernel

2023-02-0422:42:21
111
spectre-bti
linux kernel
kernel api
ibpb
btb
prctl mitigation
tif bits
ib_prctl_set
indirect branch speculation
spectre v2 user
ib prctl set
speculation ctrl update
stibp
task update spec tif
tsk thread flag
set tsk thread
spectre v2 user
seccomp mitigation
spectulation ctrl update current
wrmsr
x86 spec ctrl base

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.002

Percentile

61.1%

Bypassing Spectre-BTI User Space Mitigations on Linux

Th…

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CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

NONE

Availability Impact

NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

EPSS

0.002

Percentile

61.1%