CVE-2021-22555

Опубликовано: 07 июл. 2021

Источник: nvd

CVSS3: 8.3

CVSS3: 7.8

CVSS2: 4.6

EPSS Высокий

Описание

A heap out-of-bounds write affecting Linux since v2.6.19-rc1 was discovered in net/netfilter/x_tables.c. This allows an attacker to gain privileges or cause a DoS (via heap memory corruption) through user name space

Ссылки

http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html
Third Party Advisory
VDB Entry
http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html
Exploit
Third Party Advisory
VDB Entry
http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html
Exploit
Third Party Advisory
VDB Entry
http://packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html
Exploit
Third Party Advisory
VDB Entry
http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html
Exploit
Third Party Advisory
VDB Entry
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=9fa492cdc160cd27ce1046cb36f47d3b2b1efa21
Mailing List
Patch
Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d
Mailing List
Patch
Vendor Advisory
https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528
Exploit
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210805-0010/
Third Party Advisory
http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html
Third Party Advisory
VDB Entry
http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html
Exploit
Third Party Advisory
VDB Entry
http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html
Exploit
Third Party Advisory
VDB Entry
http://packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html
Exploit
Third Party Advisory
VDB Entry
http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html
Exploit
Third Party Advisory
VDB Entry
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=9fa492cdc160cd27ce1046cb36f47d3b2b1efa21
Mailing List
Patch
Vendor Advisory
https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d
Mailing List
Patch
Vendor Advisory
https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528
Exploit
Third Party Advisory
https://security.netapp.com/advisory/ntap-20210805-0010/
Third Party Advisory
https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-22555
US Government Resource

Уязвимые конфигурации

Конфигурация 1

Одновременно

cpe:2.3:o:netapp:c400_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:c400:-:*:*:*:*:*:*:*

Конфигурация 2

Одновременно

cpe:2.3:o:netapp:c250_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:c250:-:*:*:*:*:*:*:*

Конфигурация 3

Одновременно

cpe:2.3:o:netapp:h410c_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h410c:-:*:*:*:*:*:*:*

Конфигурация 4

Одновременно

cpe:2.3:o:netapp:h300s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h300s:-:*:*:*:*:*:*:*

Конфигурация 5

Одновременно

cpe:2.3:o:netapp:h500s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h500s:-:*:*:*:*:*:*:*

Конфигурация 6

Одновременно

cpe:2.3:o:netapp:h700s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h700s:-:*:*:*:*:*:*:*

Конфигурация 7

Одновременно

cpe:2.3:o:netapp:h410s_firmware:-:*:*:*:*:*:*:*

cpe:2.3:h:netapp:h410s:-:*:*:*:*:*:*:*

Конфигурация 8

Одно из