CVE-2021-22555

Published on: 07/07/2021 12:00:00 AM UTC

Last Modified on: 03/31/2022 07:15:00 PM UTC

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

Certain versions of Fabric Operating System from Brocade contain the following vulnerability:

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

  • CVE-2021-22555 has been assigned by URL Logo [email protected] to track the vulnerability - currently rated as HIGH severity.

CVSS3 Score: 7.8 - HIGH

Attack
Vector
Attack
Complexity
Privileges
Required
User
Interaction
LOCAL LOW LOW NONE
Scope Confidentiality
Impact
Integrity
Impact
Availability
Impact
UNCHANGED HIGH HIGH HIGH

CVSS2 Score: 4.6 - MEDIUM

Access
Vector
Access
Complexity
Authentication
LOCAL LOW NONE
Confidentiality
Impact
Integrity
Impact
Availability
Impact
PARTIAL PARTIAL PARTIAL

CVE References

Description Tags Link
Kernel Live Patch Security Notice LSN-0080-1 ≈ Packet Storm packetstormsecurity.com
text/html
URL Logo MISC packetstormsecurity.com/files/163878/Kernel-Live-Patch-Security-Notice-LSN-0080-1.html
kernel/git/torvalds/linux.git - Linux kernel source tree git.kernel.org
text/html
URL Logo MISC git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=b29c457a6511435960115c0f548c4360d5f4801d
CVE-2021-22555 Linux Kernel Vulnerability in NetApp Products | NetApp Product Security security.netapp.com
text/html
URL Logo CONFIRM security.netapp.com/advisory/ntap-20210805-0010/
Kernel Live Patch Security Notice LSN-0081-1 ≈ Packet Storm packetstormsecurity.com
text/html
URL Logo MISC packetstormsecurity.com/files/164155/Kernel-Live-Patch-Security-Notice-LSN-0081-1.html
Netfilter x_tables Heap Out-Of-Bounds Write / Privilege Escalation ≈ Packet Storm packetstormsecurity.com
text/html
URL Logo MISC packetstormsecurity.com/files/164437/Netfilter-x_tables-Heap-Out-Of-Bounds-Write-Privilege-Escalation.html
Linux Kernel Netfilter Heap Out-Of-Bounds Write ≈ Packet Storm packetstormsecurity.com
text/html
URL Logo MISC packetstormsecurity.com/files/163528/Linux-Kernel-Netfilter-Heap-Out-Of-Bounds-Write.html
github.com
text/plain
Inactive LinkNot Archived
URL Logo MISC github.com/google/security-research/security/advisories/GHSA-xxx5-8mvq-3528
Kernel Live Patch Security Notice LSN-0083-1 ≈ Packet Storm packetstormsecurity.com
text/html
URL Logo MISC packetstormsecurity.com/files/165477/Kernel-Live-Patch-Security-Notice-LSN-0083-1.html
kernel/git/torvalds/linux.git - Linux kernel source tree git.kernel.org
text/html
URL Logo MISC git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/net/netfilter/x_tables.c?id=9fa492cdc160cd27ce1046cb36f47d3b2b1efa21

Related QID Numbers

  • 159329 Oracle Enterprise Linux Security Update for kernel (ELSA-2021-3057)
  • 159332 Oracle Enterprise Linux Security Update for Unbreakable Enterprise kernel (ELSA-2021-9395)
  • 159375 Oracle Enterprise Linux Security Update for kernel (ELSA-2021-3327)
  • 179640 Debian Security Update for linux (CVE-2021-22555)
  • 239541 Red Hat Update for kernel (RHSA-2021:3057)
  • 239542 Red Hat Update for kpatch-patch (RHSA-2021:3044)
  • 239543 Red Hat Update for kernel-rt (RHSA-2021:3088)
  • 239566 Red Hat Update for kpatch-patch (RHSA-2021:3181)
  • 239570 Red Hat Update for kernel (RHSA-2021:3173)
  • 239592 Red Hat Update for kpatch-patch (RHSA-2021:3381)
  • 239593 Red Hat Update for kpatch-patch (RHSA-2021:3380)
  • 239594 Red Hat Update for kernel-rt (RHSA-2021:3375)
  • 239599 Red Hat Update for kernel (RHSA-2021:3363)
  • 239602 Red Hat Update for kernel-rt (RHSA-2021:3328)
  • 239603 Red Hat Update for kernel (RHSA-2021:3327)
  • 257109 CentOS Security Update for kernel (CESA-2021:3327)
  • 352831 Amazon Linux Security Advisory for kernel: ALAC2012-2021-030
  • 352832 Amazon Linux Security Advisory for kmod-sfc: ALAC2012-2021-031
  • 352833 Amazon Linux Security Advisory for kmod-mlx5: ALAC2012-2021-032
  • 376748 F5 BIG-IP Application Security Manager (ASM), Local Traffic Manager (LTM), Access Policy Manager (APM) Linux kernel Vulnerability (K06524534)
  • 390220 Oracle Managed Virtualization (VM) Server for x86 Security Update for kernel (OVMSA-2021-0025)
  • 670707 EulerOS Security Update for kernel (EulerOS-SA-2021-2465)
  • 670772 EulerOS Security Update for kernel (EulerOS-SA-2021-2530)
  • 670796 EulerOS Security Update for kernel (EulerOS-SA-2021-2554)
  • 671047 EulerOS Security Update for kernel (EulerOS-SA-2021-2588)
  • 671051 EulerOS Security Update for kernel (EulerOS-SA-2021-2663)
  • 750844 SUSE Enterprise Linux Security Update for kernel (SUSE-SU-2021:2407-1)
  • 750847 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:2409-1)
  • 750848 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:2416-1)(Sequoia)
  • 750851 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:2415-1)(Sequoia)
  • 750864 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:2421-1)
  • 750868 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:2427-1)
  • 750869 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:2422-1)
  • 750877 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:2427-1)
  • 750880 SUSE Enterprise Linux Security Update for the Linux Kernel (SUSE-SU-2021:2451-1)
  • 750887 OpenSUSE Security Update for the Linux Kernel (openSUSE-SU-2021:1076-1)
  • 750899 SUSE Enterprise Linux Security Update for the Linux Kernel (Live Patch 36 for SLE 12 SP3) (SUSE-SU-2021:2538-1)
  • 940353 AlmaLinux Security Update for kernel (ALSA-2021:3057)
  • 960074 Rocky Linux Security Update for kernel (RLSA-2021:3057)

Known Affected Configurations (CPE V2.3)

Type Vendor Product Version Update Edition Language
Operating
System
BrocadeFabric Operating System-AllAllAll
Operating
System
LinuxLinux KernelAllAllAllAll
HardwareNetappAff 500f-AllAllAll
Operating
System
NetappAff 500f Firmware-AllAllAll
HardwareNetappAff A250-AllAllAll
Operating
System
NetappAff A250 Firmware-AllAllAll
HardwareNetappAff A400-AllAllAll
Operating
System
NetappAff A400 Firmware-AllAllAll
HardwareNetappFas 8300-AllAllAll
Operating
System
NetappFas 8300 Firmware-AllAllAll
HardwareNetappFas 8700-AllAllAll
Operating
System
NetappFas 8700 Firmware-AllAllAll
HardwareNetappH610c-AllAllAll
Operating
System
NetappH610c Firmware-AllAllAll
HardwareNetappH610s-AllAllAll
Operating
System
NetappH610s Firmware-AllAllAll
HardwareNetappH615c-AllAllAll
Operating
System
NetappH615c Firmware-AllAllAll
ApplicationNetappHci Management Node-AllAllAll
ApplicationNetappSolidfire-AllAllAll
  • cpe:2.3:o:brocade:fabric_operating_system:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:aff_500f:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:aff_500f_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:aff_a250:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:aff_a250_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:aff_a400:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:aff_a400_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:fas_8300:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:fas_8300_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:fas_8700:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:fas_8700_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h610c:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h610c_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h610s:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h610s_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:h:netapp:h615c:-:*:*:*:*:*:*:*:
  • cpe:2.3:o:netapp:h615c_firmware:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:hci_management_node:-:*:*:*:*:*:*:*:
  • cpe:2.3:a:netapp:solidfire:-:*:*:*:*:*:*:*:

Discovery Credit

Andy Nguyen

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