title: Kernel: netfilter: potential slab-out-of-bound access due to integer underflow
description: An array indexing vulnerability was found in the netfilter subsystem of the Linux kernel. A missing macro could lead to a miscalculation of the `h->nets` array offset, providing attackers with the primitive to arbitrarily increment/decrement a memory buffer out-of-bound. This issue may allow a local user to crash the system or potentially escalate their privileges on the system.
problem types: Out-of-bounds Write
affected:
{
product: kernel
vendor: n/a
versions:
version: 6.6-rc1, status: unaffected
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 7
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel-rt
defaultStatus: affected
versions:
version: 0:3.10.0-1160.108.1.rt56.1259.el7, lessThan: *, versionType: rpm, status: unaffected
cpe: cpe:/a:redhat:rhel_extras_rt:7
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 7
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:3.10.0-1160.108.1.el7, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/o:redhat:enterprise_linux:7::server, cpe:/o:redhat:enterprise_linux:7::workstation, cpe:/o:redhat:enterprise_linux:7::client, cpe:/o:redhat:enterprise_linux:7::computenode]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 7
collectionURL: https://access.redhat.com/downloads/content/package-browser/
defaultStatus: unaffected
packageName: kpatch-patch
cpe: cpe:/o:redhat:enterprise_linux:7::server
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 7.7 Advanced Update Support
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:3.10.0-1062.85.1.el7, lessThan: *, versionType: rpm, status: unaffected
cpe: cpe:/o:redhat:rhel_aus:7.7::server
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel-rt
defaultStatus: affected
versions:
version: 0:4.18.0-513.11.1.rt7.313.el8_9, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/a:redhat:enterprise_linux:8::nfv, cpe:/a:redhat:enterprise_linux:8::realtime]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8
collectionURL: https://access.redhat.com/downloads/content/package-browser/
defaultStatus: unaffected
packageName: kpatch-patch
cpe: cpe:/o:redhat:enterprise_linux:8::baseos
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:4.18.0-513.11.1.el8_9, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/a:redhat:enterprise_linux:8::crb, cpe:/o:redhat:enterprise_linux:8::baseos]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.2 Advanced Update Support
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:4.18.0-193.120.1.el8_2, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/o:redhat:rhel_aus:8.2::baseos, cpe:/o:redhat:rhel_e4s:8.2::baseos, cpe:/o:redhat:rhel_tus:8.2::baseos]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.2 Telecommunications Update Service
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel-rt
defaultStatus: affected
versions:
version: 0:4.18.0-193.120.1.rt13.171.el8_2, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/a:redhat:rhel_tus:8.2::realtime, cpe:/a:redhat:rhel_tus:8.2::nfv]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.2 Telecommunications Update Service
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:4.18.0-193.120.1.el8_2, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/o:redhat:rhel_aus:8.2::baseos, cpe:/o:redhat:rhel_e4s:8.2::baseos, cpe:/o:redhat:rhel_tus:8.2::baseos]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions
collectionURL: https://access.redhat.com/downloads/content/package-browser/
defaultStatus: unaffected
packageName: kpatch-patch
cpe: cpe:/o:redhat:rhel_e4s:8.2::baseos
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.2 Update Services for SAP Solutions
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:4.18.0-193.120.1.el8_2, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/o:redhat:rhel_aus:8.2::baseos, cpe:/o:redhat:rhel_e4s:8.2::baseos, cpe:/o:redhat:rhel_tus:8.2::baseos]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.4 Advanced Mission Critical Update Support
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:4.18.0-305.120.1.el8_4, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/o:redhat:rhel_aus:8.4::baseos, cpe:/o:redhat:rhel_e4s:8.4::baseos, cpe:/o:redhat:rhel_tus:8.4::baseos]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.4 Telecommunications Update Service
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel-rt
defaultStatus: affected
versions:
version: 0:4.18.0-305.120.1.rt7.196.el8_4, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/a:redhat:rhel_tus:8.4::realtime, cpe:/a:redhat:rhel_tus:8.4::nfv]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.4 Telecommunications Update Service
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:4.18.0-305.120.1.el8_4, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/o:redhat:rhel_aus:8.4::baseos, cpe:/o:redhat:rhel_e4s:8.4::baseos, cpe:/o:redhat:rhel_tus:8.4::baseos]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:4.18.0-305.120.1.el8_4, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/o:redhat:rhel_aus:8.4::baseos, cpe:/o:redhat:rhel_e4s:8.4::baseos, cpe:/o:redhat:rhel_tus:8.4::baseos]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.4 Update Services for SAP Solutions
collectionURL: https://access.redhat.com/downloads/content/package-browser/
defaultStatus: unaffected
packageName: kpatch-patch
cpe: cpe:/o:redhat:rhel_e4s:8.4::baseos
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.6 Extended Update Support
collectionURL: https://access.redhat.com/downloads/content/package-browser/
defaultStatus: unaffected
packageName: kpatch-patch
cpe: cpe:/o:redhat:rhel_eus:8.6::baseos
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.6 Extended Update Support
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:4.18.0-372.87.1.el8_6, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/a:redhat:rhel_eus:8.6::crb, cpe:/o:redhat:enterprise_linux:8::hypervisor, cpe:/o:redhat:rhel_eus:8.6::baseos]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.8 Extended Update Support
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:4.18.0-477.36.1.el8_8, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/o:redhat:rhel_eus:8.8::baseos, cpe:/a:redhat:rhel_eus:8.8::crb]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 8.8 Extended Update Support
collectionURL: https://access.redhat.com/downloads/content/package-browser/
defaultStatus: unaffected
packageName: kpatch-patch
cpe: cpe:/o:redhat:rhel_eus:8.8::baseos
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 9
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:5.14.0-362.18.1.el9_3, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/a:redhat:enterprise_linux:9::appstream, cpe:/a:redhat:enterprise_linux:9::crb, cpe:/a:redhat:enterprise_linux:9::nfv, cpe:/o:redhat:enterprise_linux:9::baseos, cpe:/a:redhat:enterprise_linux:9::realtime]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 9
collectionURL: https://access.redhat.com/downloads/content/package-browser/
defaultStatus: unaffected
packageName: kpatch-patch
cpe: cpe:/o:redhat:enterprise_linux:9::baseos
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 9
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:5.14.0-362.18.1.el9_3, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/a:redhat:enterprise_linux:9::appstream, cpe:/a:redhat:enterprise_linux:9::crb, cpe:/a:redhat:enterprise_linux:9::nfv, cpe:/o:redhat:enterprise_linux:9::baseos, cpe:/a:redhat:enterprise_linux:9::realtime]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 9.0 Extended Update Support
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:5.14.0-70.80.1.el9_0, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/a:redhat:rhel_eus:9.0::appstream, cpe:/o:redhat:rhel_eus:9.0::baseos, cpe:/a:redhat:rhel_eus:9.0::crb]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 9.0 Extended Update Support
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel-rt
defaultStatus: affected
versions:
version: 0:5.14.0-70.80.1.rt21.151.el9_0, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/a:redhat:rhel_eus:9.0::realtime, cpe:/a:redhat:rhel_eus:9.0::nfv]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 9.0 Extended Update Support
collectionURL: https://access.redhat.com/downloads/content/package-browser/
defaultStatus: unaffected
packageName: kpatch-patch
cpe: cpe:/o:redhat:rhel_eus:9.0::baseos
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 9.2 Extended Update Support
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:5.14.0-284.40.1.el9_2, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/a:redhat:rhel_eus:9.2::appstream, cpe:/o:redhat:rhel_eus:9.2::baseos, cpe:/a:redhat:rhel_eus:9.2::crb]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 9.2 Extended Update Support
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel-rt
defaultStatus: affected
versions:
version: 0:5.14.0-284.40.1.rt14.325.el9_2, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/a:redhat:rhel_eus:9.2::nfv, cpe:/a:redhat:rhel_eus:9.2::realtime]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 9.2 Extended Update Support
collectionURL: https://access.redhat.com/downloads/content/package-browser/
defaultStatus: unaffected
packageName: kpatch-patch
cpe: cpe:/o:redhat:rhel_eus:9.2::baseos
}
{
vendor: Red Hat
product: Red Hat Virtualization 4 for Red Hat Enterprise Linux 8
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: affected
versions:
version: 0:4.18.0-372.87.1.el8_6, lessThan: *, versionType: rpm, status: unaffected
cpe: [cpe:/a:redhat:rhel_eus:8.6::crb, cpe:/o:redhat:enterprise_linux:8::hypervisor, cpe:/o:redhat:rhel_eus:8.6::baseos]
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 6
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel
defaultStatus: unaffected
cpes: cpe:/o:redhat:enterprise_linux:6
}
{
vendor: Red Hat
product: Red Hat Enterprise Linux 9
collectionURL: https://access.redhat.com/downloads/content/package-browser/
packageName: kernel-rt
defaultStatus: affected
cpes: cpe:/o:redhat:enterprise_linux:9
}
{
product: Fedora
vendor: Fedora
collectionURL: https://packages.fedoraproject.org/
packageName: kernel
defaultStatus: affected
}
metrics:
other: [
content: {'value': 'Important', 'namespace': 'https://access.redhat.com/security/updates/classification/'}
type: Red Hat severity rating
]
workarounds: Red Hat has investigated whether a possible mitigation exists for this issue, and has not been able to identify a practical example. Please update the affected package as soon as possible.