CVE-2021-22555

  1. OpenCVE
  2. Vulnerabilities (CVE)
  3. CVE-2021-22555
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

8.3 /10

CVSS v3 : HIGH

V3 Legend

Vector :

Exploitability : 1.6 / Impact : 6.0

Attack Vector ADJACENT_NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope CHANGED

4.6 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:L/AC:L/Au:N/C:P/I:P/A:P

Exploitability : 3.9 / Impact : 6.4

Access Vector LOCAL

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
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
Configurations

Configuration 1 (hide)

OR cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*

Configuration 2 (hide)

cpe:2.3:o:brocade:fabric_operating_system:-:*:*:*:*:*:*:*

Configuration 3 (hide)

AND
cpe:2.3:o:netapp:fas_8300_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas_8300:-:*:*:*:*:*:*:*

Configuration 4 (hide)

AND
cpe:2.3:o:netapp:fas_8700_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas_8700:-:*:*:*:*:*:*:*

Configuration 5 (hide)

AND
cpe:2.3:o:netapp:aff_a400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:aff_a400:-:*:*:*:*:*:*:*

Configuration 6 (hide)

AND
cpe:2.3:o:netapp:aff_a250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:aff_a250:-:*:*:*:*:*:*:*

Configuration 7 (hide)

AND
cpe:2.3:o:netapp:aff_500f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:aff_500f:-:*:*:*:*:*:*:*

Configuration 8 (hide)

AND
cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h610c:-:*:*:*:*:*:*:*

Configuration 9 (hide)

AND
cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h610s:-:*:*:*:*:*:*:*

Configuration 10 (hide)

AND
cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h615c:-:*:*:*:*:*:*:*

Configuration 11 (hide)

OR cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
History

21 Nov 2024, 05:50

Type Values Removed Values Added
CVSS v2 : 4.6
v3 : 7.8 		v2 : 4.6
v3 : 8.3
References () http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html - Third Party Advisory, VDB Entry () http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html - Third Party Advisory, VDB Entry
References () http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html - Exploit, 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
References () http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.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
References () 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/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html - Exploit, Third Party Advisory, VDB Entry
References () http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.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
References () 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=9fa492cdc160cd27ce1046cb36f47d3b2b1efa21 - Mailing List, Patch, Vendor Advisory
References () 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://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d - Mailing List, Patch, Vendor Advisory
References () https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528 - Exploit, Third Party Advisory () https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528 - Exploit, Third Party Advisory
References () https://security.netapp.com/advisory/ntap-20210805-0010/ - Third Party Advisory () https://security.netapp.com/advisory/ntap-20210805-0010/ - Third Party Advisory

31 Mar 2022, 19:15

Type Values Removed Values Added
References (MISC) http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html - (MISC) http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html - Exploit, Third Party Advisory, VDB Entry

06 Jan 2022, 20:15

Type Values Removed Values Added
References
  • (MISC) http://packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html -

16 Dec 2021, 20:35

Type Values Removed Values Added
References (MISC) http://packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html - (MISC) http://packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html - Exploit, Third Party Advisory, VDB Entry
References (MISC) http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html - Third Party Advisory, VDB Entry (MISC) http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html - Exploit, Third Party Advisory, VDB Entry

07 Oct 2021, 16:15

Type Values Removed Values Added
References
  • (MISC) http://packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html -

21 Sep 2021, 16:33

Type Values Removed Values Added
References (MISC) http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html - (MISC) http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html - Third Party Advisory, VDB Entry
References (CONFIRM) https://security.netapp.com/advisory/ntap-20210805-0010/ - (CONFIRM) https://security.netapp.com/advisory/ntap-20210805-0010/ - Third Party Advisory
References (MISC) http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html - (MISC) http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html - Third Party Advisory, VDB Entry
References (MISC) http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html - (MISC) http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html - Exploit, Third Party Advisory, VDB Entry
CPE cpe:2.3:h:netapp:aff_500f:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:aff_a250_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:aff_a400:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h610c:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:aff_a400_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*
cpe:2.3:o:brocade:fabric_operating_system:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas_8300:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:aff_500f_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:fas_8700_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:*
cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*
cpe:2.3:o:netapp:fas_8300_firmware:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:fas_8700:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h610s:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:aff_a250:-:*:*:*:*:*:*:*
cpe:2.3:h:netapp:h615c:-:*:*:*:*:*:*:*

14 Sep 2021, 18:15

Type Values Removed Values Added
References
  • (MISC) http://packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html -
  • (MISC) http://packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html -

18 Aug 2021, 17:15

Type Values Removed Values Added
References
  • (CONFIRM) https://security.netapp.com/advisory/ntap-20210805-0010/ -

05 Aug 2021, 12:15

Type Values Removed Values Added
References
  • (MISC) http://packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html -

09 Jul 2021, 18:15

Type Values Removed Values Added
CVSS v2 : unknown
v3 : unknown 		v2 : 4.6
v3 : 7.8
References (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=9fa492cdc160cd27ce1046cb36f47d3b2b1efa21 - (MISC) 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
References (MISC) https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528 - (MISC) https://github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528 - Exploit, Third Party Advisory
References (MISC) https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d - (MISC) 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
CPE cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*
CWE CWE-787

07 Jul 2021, 12:21

Type Values Removed Values Added
New CVE
Information

Published : 2021-07-07 12:15

Updated : 2024-11-21 05:50

NVD link : CVE-2021-22555

Mitre link : CVE-2021-22555

CVE.ORG link : CVE-2021-22555

JSON object : View

Products Affected

brocade

  • fabric_operating_system

netapp

  • aff_a400
  • aff_a250_firmware
  • aff_a250
  • fas_8300
  • fas_8700_firmware
  • aff_a400_firmware
  • solidfire
  • h615c
  • aff_500f
  • hci_management_node
  • h610s_firmware
  • h615c_firmware
  • aff_500f_firmware
  • fas_8700
  • h610c_firmware
  • h610s
  • h610c
  • fas_8300_firmware

linux

  • linux_kernel
CWE
CWE-787

Out-of-bounds Write