UnratedFix available
kernel: Fix of 28 CVEs
Type: advisorySources: OSV
- cgroup: Use open-time cgroup namespace for process migration perm checks {CVE-2021-4197} - cgroup: Use open-time credentials for process migraton perm checks {CVE-2021-4197} - vt: drop old FONT ioctls {CVE-2021-33656} - fbmem: Check virtual screen sizes in fb_set_var() {CVE-2021-33655} - fbcon: Prevent that screen size is smaller than font size {CVE-2021-33655} - fbcon: Disallow setting font bigger than screen size {CVE-2021-33655} - KVM: nVMX: add missing consistency checks for CR0 and CR4 {CVE-2023-30456} - net: usb: ax88179_178a: Fix packet receiving - ipv4: make exception cache less predictible {CVE-2021-20322} - ipv4: use siphash instead of Jenkins in fnhe_hashfun() {CVE-2021-20322} - ipv6: make exception cache less predictible {CVE-2021-20322} - ipv6: use siphash in rt6_exception_hash() {CVE-2021-20322} - ipv6: use jhash2() in rt6_exception_hash() - psi: Fix uaf issue when psi trigger is destroyed while being polled {CVE-2022-2938} - psi: fix possible trigger missing in the window - cgroup: Allocate cgroup_file_ctx for kernfs_open_file->priv - cgroup: make per-cgroup pressure stall tracking configurable - netfilter: nf_tables_offload: incorrect flow offload action array size {CVE-2022-25636} - netfilter: nftables_offload: KASAN slab-out-of-bounds Read in nft_flow_rule_create - Bluetooth: L2CAP: Fix l2cap_global_chan_by_psm {CVE-2022-42896} - Bluetooth: L2CAP: Fix accepting connection request for invalid SPSM {CVE-2022-42896} - devlink: Fix use-after-free after a faile
- Products
- bpftool, kernel, kernel-core, kernel-cross-headers, kernel-debug, kernel-debug-core, kernel-debug-devel, kernel-debug-modules, kernel-debug-modules-extra, kernel-debug-modules-internal, kernel-devel, kernel-headers, kernel-ipaclones-internal, kernel-modules, kernel-modules-extra, kernel-modules-internal, kernel-selftests-internal, kernel-tools, kernel-tools-libs, kernel-tools-libs-devel, perf, python3-perf
- Affected versions
- Not specified
- Fixed versions
- 4.18.0-348.7.1.el8_5.tuxcare.els8
- CVEs
- CVE-2021-20322, CVE-2021-33655, CVE-2021-33656, CVE-2021-4028, CVE-2021-4197, CVE-2022-0492, CVE-2022-1055, CVE-2022-1158, CVE-2022-2196, CVE-2022-25636, CVE-2022-2873, CVE-2022-28893, CVE-2022-2938, CVE-2022-29581, CVE-2022-2964, CVE-2022-3625, CVE-2022-42896, CVE-2023-0386, CVE-2023-1281, CVE-2023-1380, CVE-2023-1513, CVE-2023-1989, CVE-2023-28772, CVE-2023-30456, CVE-2023-31436
- Confirmed fixed CVEs
- Not specified
- Updated in this feed
- 1 Nov 2026, 11:05 UTC · Revision 1
Source evidence
- cgroup: Use open-time cgroup namespace for process migration perm checks {CVE-2021-4197} - cgroup: Use open-time credentials for process migraton perm checks {CVE-2021-4197} - vt: drop old FONT ioctls {CVE-2021-33656} - fbmem: Check virtual screen sizes in fb_set_var() {CVE-2021-33655} - fbcon: Prevent that screen size is smaller than font size {CVE-2021-33655} - fbcon: Disallow setting font bigger than screen size {CVE-2021-33655} - KVM: nVMX: add missing consistency checks for CR0 and CR4 {CVE-2023-30456} - net: usb: ax88179_178a: Fix packet receiving - ipv4: make exception cache less predictible {CVE-2021-20322} - ipv4: use siphash instead of Jenkins in fnhe_hashfun() {CVE-2021-20322} - ipv6: make exception cache less predictible {CVE-2021-20322} - ipv6: use siphash in rt6_exception_hash() {CVE-2021-20322} - ipv6: use jhash2() in rt6_exception_hash() - psi: Fix uaf issue when psi trigger is destroyed while being polled {CVE-2022-2938} - psi: fix possible trigger missing in the window - cgroup: Allocate cgroup_file_ctx for kernfs_open_file->priv - cgroup: make per-cgroup pressure stall tracking configurable - netfilter: nf_tables_offload: incorrect flow offload action array size {CVE-2022-25636} - netfilter: nftables_offload: KASAN slab-out-of-bounds Read in nft_flow_rule_create - Bluetooth: L2CAP: Fix l2cap_global_chan_by_psm {CVE-2022-42896} - Bluetooth: L2CAP: Fix accepting connection request for invalid SPSM {CVE-2022-42896} - devlink: Fix use-after-free after a faile
osv:CLSA-2023-1686651204
bpftool
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-core
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-cross-headers
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-debug
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-debug-core
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-debug-devel
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-debug-modules
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-debug-modules-extra
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-debug-modules-internal
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-devel
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-headers
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-ipaclones-internal
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-modules
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-modules-extra
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-modules-internal
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-selftests-internal
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-tools
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-tools-libs
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
kernel-tools-libs-devel
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
perf
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
python3-perf
Fixed versions: 4.18.0-348.7.1.el8_5.tuxcare.els8
Complete source record
{
"id": "d07d026c4d579c09b6914cb7979f7681b19f9153e7e6e54355d4baec9e17a70f",
"url": "https://osv.dev/vulnerability/CLSA-2023-1686651204",
"method": "structured",
"payload": {
"kind": "advisory",
"title": "kernel: Fix of 28 CVEs",
"summary": "- cgroup: Use open-time cgroup namespace for process migration perm checks {CVE-2021-4197} - cgroup: Use open-time credentials for process migraton perm checks {CVE-2021-4197} - vt: drop old FONT ioctls {CVE-2021-33656} - fbmem: Check virtual screen sizes in fb_set_var() {CVE-2021-33655} - fbcon: Prevent that screen size is smaller than font size {CVE-2021-33655} - fbcon: Disallow setting font bigger than screen size {CVE-2021-33655} - KVM: nVMX: add missing consistency checks for CR0 and CR4 {CVE-2023-30456} - net: usb: ax88179_178a: Fix packet receiving - ipv4: make exception cache less predictible {CVE-2021-20322} - ipv4: use siphash instead of Jenkins in fnhe_hashfun() {CVE-2021-20322} - ipv6: make exception cache less predictible {CVE-2021-20322} - ipv6: use siphash in rt6_exception_hash() {CVE-2021-20322} - ipv6: use jhash2() in rt6_exception_hash() - psi: Fix uaf issue when psi trigger is destroyed while being polled {CVE-2022-2938} - psi: fix possible trigger missing in the window - cgroup: Allocate cgroup_file_ctx for kernfs_open_file->priv - cgroup: make per-cgroup pressure stall tracking configurable - netfilter: nf_tables_offload: incorrect flow offload action array size {CVE-2022-25636} - netfilter: nftables_offload: KASAN slab-out-of-bounds Read in nft_flow_rule_create - Bluetooth: L2CAP: Fix l2cap_global_chan_by_psm {CVE-2022-42896} - Bluetooth: L2CAP: Fix accepting connection request for invalid SPSM {CVE-2022-42896} - devlink: Fix use-after-free after a faile",
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{
"name": {
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"evidence": "/affected/12/package/name"
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{
"name": {
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"evidence": "/affected/14/package/name"
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{
"name": {
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"evidence": "/affected/19/package/name"
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{
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"evidence": "/affected/19/ranges"
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],
"affected_versions": []
},
{
"name": {
"value": "perf",
"evidence": "/affected/20/package/name"
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{
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"evidence": "/affected/20/ranges"
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],
"affected_versions": []
},
{
"name": {
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"evidence": "/affected/21/package/name"
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"severity": "unknown",
"structured": {
"id": "CLSA-2023-1686651204",
"aliases": [
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"affected": [
{
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"package": {
"name": "bpftool",
"purl": "pkg:rpm/tuxcare/bpftool?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
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"package": {
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"ecosystem": "TuxCare:CentOS:8.5"
},
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},
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"purl": "pkg:rpm/tuxcare/kernel-debug-modules-extra?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
"source": "https://github.com/cloudlinux/tuxcare-osv/tree/main/data/els_os/centos8.5els/CLSA-2023-1686651204.json"
}
},
{
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],
"package": {
"name": "kernel-debug-modules-internal",
"purl": "pkg:rpm/tuxcare/kernel-debug-modules-internal?distro=centos-8.5",
"ecosystem": "TuxCare:CentOS:8.5"
},
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],
"package": {
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"ecosystem": "TuxCare:CentOS:8.5"
},
"database_specific": {
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},
{
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],
"package": {
"name": "kernel-headers",
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],
"modified": "2026-10-26T09:31:44.578597827Z",
"provider": "osv",
"upstream": [
"CVE-2021-20322",
"CVE-2021-33655",
"CVE-2021-33656",
"CVE-2021-4028",
"CVE-2021-4197",
"CVE-2022-0492",
"CVE-2022-1055",
"CVE-2022-1158",
"CVE-2022-2196",
"CVE-2022-25636",
"CVE-2022-2873",
"CVE-2022-28893",
"CVE-2022-2938",
"CVE-2022-29581",
"CVE-2022-2964",
"CVE-2022-3625",
"CVE-2022-42896",
"CVE-2023-0386",
"CVE-2023-1281",
"CVE-2023-1380",
"CVE-2023-1513",
"CVE-2023-1989",
"CVE-2023-28772",
"CVE-2023-30456",
"CVE-2023-31436"
],
"references": [
"https://errata.tuxcare.com/els_os/centos8.5els/CLSA-2023-1686651204.html",
"https://nvd.nist.gov/vuln/detail/CVE-2021-20322",
"https://nvd.nist.gov/vuln/detail/CVE-2021-33655",
"https://nvd.nist.gov/vuln/detail/CVE-2021-33656",
"https://nvd.nist.gov/vuln/detail/CVE-2021-4028",
"https://nvd.nist.gov/vuln/detail/CVE-2021-4197",
"https://nvd.nist.gov/vuln/detail/CVE-2022-0492",
"https://nvd.nist.gov/vuln/detail/CVE-2022-1055",
"https://nvd.nist.gov/vuln/detail/CVE-2022-1158",
"https://nvd.nist.gov/vuln/detail/CVE-2022-2196",
"https://nvd.nist.gov/vuln/detail/CVE-2022-25636",
"https://nvd.nist.gov/vuln/detail/CVE-2022-2873",
"https://nvd.nist.gov/vuln/detail/CVE-2022-28893",
"https://nvd.nist.gov/vuln/detail/CVE-2022-2938",
"https://nvd.nist.gov/vuln/detail/CVE-2022-29581",
"https://nvd.nist.gov/vuln/detail/CVE-2022-2964",
"https://nvd.nist.gov/vuln/detail/CVE-2022-3625",
"https://nvd.nist.gov/vuln/detail/CVE-2022-42896",
"https://nvd.nist.gov/vuln/detail/CVE-2022-48805",
"https://nvd.nist.gov/vuln/detail/CVE-2022-50394",
"https://nvd.nist.gov/vuln/detail/CVE-2023-0386",
"https://nvd.nist.gov/vuln/detail/CVE-2023-1281",
"https://nvd.nist.gov/vuln/detail/CVE-2023-1380",
"https://nvd.nist.gov/vuln/detail/CVE-2023-1513",
"https://nvd.nist.gov/vuln/detail/CVE-2023-1989",
"https://nvd.nist.gov/vuln/detail/CVE-2023-28772",
"https://nvd.nist.gov/vuln/detail/CVE-2023-30456",
"https://nvd.nist.gov/vuln/detail/CVE-2023-31436",
"https://nvd.nist.gov/vuln/detail/CVE-2023-53213"
]
},
"related_cves": [
{
"value": "CVE-2021-20322",
"evidence": "/upstream"
},
{
"value": "CVE-2021-33655",
"evidence": "/upstream"
},
{
"value": "CVE-2021-33656",
"evidence": "/upstream"
},
{
"value": "CVE-2021-4028",
"evidence": "/upstream"
},
{
"value": "CVE-2021-4197",
"evidence": "/upstream"
},
{
"value": "CVE-2022-0492",
"evidence": "/upstream"
},
{
"value": "CVE-2022-1055",
"evidence": "/upstream"
},
{
"value": "CVE-2022-1158",
"evidence": "/upstream"
},
{
"value": "CVE-2022-2196",
"evidence": "/upstream"
},
{
"value": "CVE-2022-25636",
"evidence": "/upstream"
},
{
"value": "CVE-2022-2873",
"evidence": "/upstream"
},
{
"value": "CVE-2022-28893",
"evidence": "/upstream"
},
{
"value": "CVE-2022-2938",
"evidence": "/upstream"
},
{
"value": "CVE-2022-29581",
"evidence": "/upstream"
},
{
"value": "CVE-2022-2964",
"evidence": "/upstream"
},
{
"value": "CVE-2022-3625",
"evidence": "/upstream"
},
{
"value": "CVE-2022-42896",
"evidence": "/upstream"
},
{
"value": "CVE-2023-0386",
"evidence": "/upstream"
},
{
"value": "CVE-2023-1281",
"evidence": "/upstream"
},
{
"value": "CVE-2023-1380",
"evidence": "/upstream"
},
{
"value": "CVE-2023-1513",
"evidence": "/upstream"
},
{
"value": "CVE-2023-1989",
"evidence": "/upstream"
},
{
"value": "CVE-2023-28772",
"evidence": "/upstream"
},
{
"value": "CVE-2023-30456",
"evidence": "/upstream"
},
{
"value": "CVE-2023-31436",
"evidence": "/upstream"
}
],
"security_relevant": true,
"severity_evidence": null
},
"source_id": "core-osv",
"document_id": 448316,
"published_at": "2026-10-18T09:40:30+00:00"
}