CVE-2021-33631

bpftool: The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: v...

CVE-2021-33631 is fixed in 63 products on 1 platform, first by RHSA-2023:2458, released May 9, 2023. It is not reported as exploited. Patch Radar priority: High.

High
CVSS
7.8
Important
Exploitation
None reported
No vendor assessment
CISA KEV
Not listed
Not in the Known Exploited Vulnerabilities catalog
EPSS
0.0037
31st percentile

The kernel packages contain the Linux kernel, the core of any Linux operating system. Security Fix(es): * kernel: vmwgfx: NULL pointer dereference in vmw_cmd_dx_define_query (CVE-2022-38096) * kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event's read_size (CVE-2023-6931) * kernel: GSM multiplexing race condition leads to privilege escalation (CVE-2023-6546,ZDI-CAN-20527) * kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in function receive_encrypted_standard of client (CVE-2024-0565) * kernel: use-after-free in amdgpu_cs_wait_all_fences in drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c (CVE-2023-51042) * kernel: ext4: kernel bug in ext4_write_inline_data_end() (CVE-2021-33631) * kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function (CVE-2024-1086) Bug Fix(es): * OCP 4.12 crashed due to use-after-free in libceph in rhel8 (JIRA:RHEL-21394) * kernel: nf_tables: use-after-free vulnerability in the nft_verdict_init() function (JIRA:RHEL-24010) * Screen floods with random colour suggesting something not initialised (JIRA:RHEL-21055) * kernel: vmxgfx: NULL pointer dereference in vmw_cmd_dx_define_query (JIRA:RHEL-22766) * tx-checksumming required for accessing port in OpenShift for RHEL 8.6 (JIRA:RHEL-20822) * kernel: CIFS Filesystem Decryption Improper Input Validation Remote Code Execution Vulnerability in function receive_encrypted_standard of client (JIRA:RHEL-22077) * kernel: Out of boundary write in perf_read_group() as result of overflow a perf_event's read_size (JIRA:RHEL-22930) * rbd: don't move requests to the running list on errors [8.x] (JIRA:RHEL-24204) * kernel: use-after-free in amdgpu_cs_wait_all_fences in drivers/gpu/drm/amd/amdgpu/amdgpu_cs.c (JIRA:RHEL-24479) * ceph: several cap and snap fixes (JIRA:RHEL-20909) * [RHVH] Migration hangs between RHVH release bellow 4.5.1 and RHVH over or equal 4.5.2 release (JIRA:RHEL-23063) * unable to access smsc95xx based interface unless you start outgoing traffic. (JIRA:RHEL-25719) * [RHEL8] ] BUG bio-696 (Not tainted): Poison overwritten (JIRA:RHEL-26101) * kernel: GSM multiplexing race condition leads to privilege escalation (JIRA:RHEL-19954) * backport smartpqi: fix disable_managed_interrupts (JIRA:RHEL-26139) * kernel: ext4: kernel bug in ext4_write_inline_data_end() (JIRA:RHEL-26331) * ceph: always check dir caps asynchronously (JIRA:RHEL-27496) Enhancement(s): * [IBM 8.10 FEAT] Upgrade the qeth driver to latest from upstream, e.g. kernel 6.4 (JIRA:RHEL-25811)

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
bpftool · RHEL 9 0:7.0.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
bpftool · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
bpftool · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel · rocky 8 0:4.18.0-513.24.1.el8_9.cloud.0.1 RXSA-2024:1607 May 6, 2024
kernel-64k · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug-devel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug-devel-matched · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug-modules · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug-modules-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-debug-modules-extra · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-devel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-devel-matched · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-modules · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-modules-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-64k-modules-extra · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-abi-stablelists · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-abi-stablelists · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-abi-stablelists · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-abi-stablelists · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-core · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-core · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-core · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-cross-headers · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-cross-headers · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-debug · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-debug · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-debug · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-debug-core · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-debug-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug-core · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-debug-core · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-debug-devel · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-debug-devel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug-devel · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-debug-devel · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-debug-devel-matched · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug-modules · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-debug-modules · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug-modules · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-debug-modules · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-debug-modules-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug-modules-extra · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-debug-modules-extra · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-debug-modules-extra · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-debug-modules-extra · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-debug-uki-virt · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-devel · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-devel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-devel · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-devel · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-devel-matched · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-doc · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-doc · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-doc · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-doc · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-headers · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-modules · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-modules · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-modules · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-modules · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-modules-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-modules-extra · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-modules-extra · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-modules-extra · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-modules-extra · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-rt · RHEL 8 0:4.18.0-513.24.1.rt7.326.el8_9 RHSA-2024:1614 Apr 2, 2024
kernel-rt · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-rt · rocky 8 0:4.18.0-513.24.1.rt7.326.el8_9 RLSA-2024:1614 Apr 5, 2024
kernel-rt-core · RHEL 8 0:4.18.0-513.24.1.rt7.326.el8_9 RHSA-2024:1614 Apr 2, 2024
kernel-rt-core · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-rt-debug · RHEL 8 0:4.18.0-513.24.1.rt7.326.el8_9 RHSA-2024:1614 Apr 2, 2024
kernel-rt-debug · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-rt-debug-core · RHEL 8 0:4.18.0-513.24.1.rt7.326.el8_9 RHSA-2024:1614 Apr 2, 2024
kernel-rt-debug-core · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-rt-debug-devel · RHEL 8 0:4.18.0-513.24.1.rt7.326.el8_9 RHSA-2024:1614 Apr 2, 2024
kernel-rt-debug-devel · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-rt-debug-kvm · RHEL 8 0:4.18.0-513.24.1.rt7.326.el8_9 RHSA-2024:1614 Apr 2, 2024
kernel-rt-debug-kvm · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-rt-debug-modules · RHEL 8 0:4.18.0-513.24.1.rt7.326.el8_9 RHSA-2024:1614 Apr 2, 2024
kernel-rt-debug-modules · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-rt-debug-modules-core · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-rt-debug-modules-extra · RHEL 8 0:4.18.0-513.24.1.rt7.326.el8_9 RHSA-2024:1614 Apr 2, 2024
kernel-rt-debug-modules-extra · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-rt-devel · RHEL 8 0:4.18.0-513.24.1.rt7.326.el8_9 RHSA-2024:1614 Apr 2, 2024
kernel-rt-devel · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-rt-kvm · RHEL 8 0:4.18.0-513.24.1.rt7.326.el8_9 RHSA-2024:1614 Apr 2, 2024
kernel-rt-kvm · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-rt-modules · RHEL 8 0:4.18.0-513.24.1.rt7.326.el8_9 RHSA-2024:1614 Apr 2, 2024
kernel-rt-modules · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-rt-modules-core · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-rt-modules-extra · RHEL 8 0:4.18.0-513.24.1.rt7.326.el8_9 RHSA-2024:1614 Apr 2, 2024
kernel-rt-modules-extra · RHEL 9 0:5.14.0-284.11.1.rt14.296.el9_2 RHSA-2023:2148 May 9, 2023
kernel-tools · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-tools · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-tools · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-tools · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-tools-libs · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-tools-libs · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-tools-libs · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-tools-libs · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-tools-libs-devel · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-tools-libs-devel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-tools-libs-devel · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-tools-libs-devel · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
kernel-uki-virt · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-zfcpdump · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-zfcpdump-core · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-zfcpdump-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump-core · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-zfcpdump-devel · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-zfcpdump-devel · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump-devel · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-zfcpdump-devel-matched · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump-modules · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-zfcpdump-modules · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump-modules · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
kernel-zfcpdump-modules-core · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump-modules-extra · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
kernel-zfcpdump-modules-extra · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
kernel-zfcpdump-modules-extra · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
linux · Debian 12.15 (bookworm) 6.1.4-1 DEBIAN-CVE-2021-33631 Jan 18, 2024
linux · Debian 13.5 (trixie) 6.1.4-1 DEBIAN-CVE-2021-33631 Jan 18, 2024
linux · Debian 14 6.1.4-1 DEBIAN-CVE-2021-33631 Jan 18, 2024
perf · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
perf · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
perf · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
perf · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
python3-perf · RHEL 8 0:4.18.0-513.24.1.el8_9 RHSA-2024:1607 Apr 2, 2024
python3-perf · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023
python3-perf · almalinux 8 4.18.0-513.24.1.el8_9 ALSA-2024:1607 Apr 2, 2024
python3-perf · ol 8 0:4.18.0-513.24.1.el8_9 ELSA-2024-1607 Apr 10, 2024
rtla · RHEL 9 0:5.14.0-284.11.1.el9_2 RHSA-2023:2458 May 9, 2023

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