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redhat Π»ΠΎΠ³ΠΎΡ‚ΠΈΠΏ

CVE-2021-47087

ΠžΠΏΡƒΠ±Π»ΠΈΠΊΠΎΠ²Π°Π½ΠΎ: 04 ΠΌΠ°Ρ€. 2024
Π˜ΡΡ‚ΠΎΡ‡Π½ΠΈΠΊ: redhat
CVSS3: 6
EPSS Низкий

ОписаниС

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix incorrect page free bug Pointer to the allocated pages (struct page *page) has already progressed towards the end of allocation. It is incorrect to perform __free_pages(page, order) using this pointer as we would free any arbitrary pages. Fix this by stop modifying the page pointer.

Π—Π°Ρ‚Ρ€ΠΎΠ½ΡƒΡ‚Ρ‹Π΅ ΠΏΠ°ΠΊΠ΅Ρ‚Ρ‹

ΠŸΠ»Π°Ρ‚Ρ„ΠΎΡ€ΠΌΠ°ΠŸΠ°ΠΊΠ΅Ρ‚Π‘ΠΎΡΡ‚ΠΎΡΠ½ΠΈΠ΅Π Π΅ΠΊΠΎΠΌΠ΅Π½Π΄Π°Ρ†ΠΈΡΠ Π΅Π»ΠΈΠ·
Red Hat Enterprise Linux 6kernelNot affected
Red Hat Enterprise Linux 7kernelNot affected
Red Hat Enterprise Linux 7kernel-rtNot affected
Red Hat Enterprise Linux 8kernelNot affected
Red Hat Enterprise Linux 8kernel-rtNot affected
Red Hat Enterprise Linux 9kernelNot affected
Red Hat Enterprise Linux 9kernel-rtNot affected

ΠŸΠΎΠΊΠ°Π·Ρ‹Π²Π°Ρ‚ΡŒ ΠΏΠΎ

Π”ΠΎΠΏΠΎΠ»Π½ΠΈΡ‚Π΅Π»ΡŒΠ½Π°Ρ информация

Бтатус:

Moderate
Π”Π΅Ρ„Π΅ΠΊΡ‚:
CWE-401
https://bugzilla.redhat.com/show_bug.cgi?id=2267938kernel: tee: optee: Fix incorrect page free bug

EPSS

ΠŸΡ€ΠΎΡ†Π΅Π½Ρ‚ΠΈΠ»ΡŒ: 14%
0.00234
Низкий

6 Medium

CVSS3

БвязанныС уязвимости

CVSS3: 7.8
ubuntu
большС 2 Π»Π΅Ρ‚ Π½Π°Π·Π°Π΄

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix incorrect page free bug Pointer to the allocated pages (struct page *page) has already progressed towards the end of allocation. It is incorrect to perform __free_pages(page, order) using this pointer as we would free any arbitrary pages. Fix this by stop modifying the page pointer.

CVSS3: 7.8
nvd
большС 2 Π»Π΅Ρ‚ Π½Π°Π·Π°Π΄

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix incorrect page free bug Pointer to the allocated pages (struct page *page) has already progressed towards the end of allocation. It is incorrect to perform __free_pages(page, order) using this pointer as we would free any arbitrary pages. Fix this by stop modifying the page pointer.

CVSS3: 7.8
debian
большС 2 Π»Π΅Ρ‚ Π½Π°Π·Π°Π΄

In the Linux kernel, the following vulnerability has been resolved: t ...

CVSS3: 7.8
github
большС 2 Π»Π΅Ρ‚ Π½Π°Π·Π°Π΄

In the Linux kernel, the following vulnerability has been resolved: tee: optee: Fix incorrect page free bug Pointer to the allocated pages (struct page *page) has already progressed towards the end of allocation. It is incorrect to perform __free_pages(page, order) using this pointer as we would free any arbitrary pages. Fix this by stop modifying the page pointer.

CVSS3: 5.5
fstec
большС 4 Π»Π΅Ρ‚ Π½Π°Π·Π°Π΄

Π£ΡΠ·Π²ΠΈΠΌΠΎΡΡ‚ΡŒ ΠΊΠΎΠΌΠΏΠΎΠ½Π΅Π½Ρ‚Π° optee ядра ΠΎΠΏΠ΅Ρ€Π°Ρ†ΠΈΠΎΠ½Π½ΠΎΠΉ систСмы Linux, ΠΏΠΎΠ·Π²ΠΎΠ»ΡΡŽΡ‰Π°Ρ Π½Π°Ρ€ΡƒΡˆΠΈΡ‚Π΅Π»ΡŽ Π²Ρ‹Π·Π²Π°Ρ‚ΡŒ ΠΎΡ‚ΠΊΠ°Π· Π² обслуТивании

EPSS

ΠŸΡ€ΠΎΡ†Π΅Π½Ρ‚ΠΈΠ»ΡŒ: 14%
0.00234
Низкий

6 Medium

CVSS3

Π£ΡΠ·Π²ΠΈΠΌΠΎΡΡ‚ΡŒ CVE-2021-47087