CVE-2021-47310

kernel-rt-debug-modules-extra: The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high...

CVE-2021-47310 is fixed in 38 products on 1 platform, first by DEBIAN-CVE-2021-47310, released May 21, 2024. 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
0.0025
16th percentile

The kernel-rt packages provide the Real Time Linux Kernel, which enables fine-tuning for systems with extremely high determinism requirements. Security Fix(es): * kernel: tls (CVE-2024-26585,CVE-2024-26584, CVE-2024-26583 * kernel-rt: kernel: PCI interrupt mapping cause oops [almalinux-8] (CVE-2021-46909) * kernel: ipc/mqueue, msg, sem: avoid relying on a stack reference past its expiry (CVE-2021-47069) * kernel: hwrng: core - Fix page fault dead lock on mmap-ed hwrng (CVE-2023-52615) * kernel-rt: kernel: drm/amdgpu: use-after-free vulnerability (CVE-2024-26656) * kernel: Bluetooth: Avoid potential use-after-free in hci_error_reset CVE-2024-26801) * kernel: Squashfs: check the inode number is not the invalid value of zero (CVE-2024-26982) * kernel: netfilter: nf_tables: use timestamp to check for set element timeout (CVE-2024-27397) * kernel: wifi: mac80211: (CVE-2024-35789, CVE-2024-35838, CVE-2024-35845) * kernel: wifi: nl80211: reject iftype change with mesh ID change (CVE-2024-27410) * kernel: perf/core: Bail out early if the request AUX area is out of bound (CVE-2023-52835) * kernel:TCP-spoofed ghost ACKs and leak initial sequence number (CVE-2023-52881) * kernel: Bluetooth BR/EDR PIN Pairing procedure is vulnerable to an impersonation attack (CVE-2020-26555) * kernel: ovl: fix leaked dentry (CVE-2021-46972) * kernel: platform/x86: dell-smbios-wmi: Fix oops on rmmod dell_smbios (CVE-2021-47073) * kernel: mm/damon/vaddr-test: memory leak in damon_do_test_apply_three_regions() (CVE-2023-52560) * kernel: ppp_async: limit MRU to 64K (CVE-2024-26675) * kernel: mm/swap: fix race when skipping swapcache (CVE-2024-26759) * kernel: RDMA/mlx5: Fix fortify source warning while accessing Eth segment (CVE-2024-26907) * kernel: x86/mm: Disallow vsyscall page read for copy_from_kernel_nofault() (CVE-2024-26906) * kernel: net: ip_tunnel: prevent perpetual headroom growth (CVE-2024-26804) * kernel: net/usb: kalmia: avoid printing uninitialized value on error path (CVE-2023-52703) * kernel: KVM: SVM: improper check in svm_set_x2apic_msr_interception allows direct access to host x2apic msrs (CVE-2023-5090) * kernel: EDAC/thunderx: Incorrect buffer size in drivers/edac/thunderx_edac.c (CVE-2023-52464) * kernel: ipv6: sr: fix possible use-after-free and null-ptr-deref (CVE-2024-26735) * kernel: mptcp: fix data re-injection from stale subflow (CVE-2024-26826) * kernel: net/bnx2x: Prevent access to a freed page in page_pool (CVE-2024-26859) * kernel: crypto: (CVE-2024-26974, CVE-2023-52813) * kernel: can: (CVE-2023-52878, CVE-2021-47456) * kernel: usb: (CVE-2023-52781, CVE-2023-52877) * kernel: net/mlx5e: fix a potential double-free in fs_any_create_groups (CVE-2023-52667) * kernel: usbnet: sanity check for maxpacket (CVE-2021-47495) * kernel: gro: fix ownership transfer (CVE-2024-35890) * kernel: erspan: make sure erspan_base_hdr is present in skb->head (CVE-2024-35888) * kernel: tipc: fix kernel warning when sending SYN message (CVE-2023-52700) * kernel: net/mlx5/mlxsw: (CVE-2024-35960, CVE-2024-36007, CVE-2024-35855) * kernel: net/mlx5e: (CVE-2024-35959, CVE-2023-52626, CVE-2024-35835) * kernel: mlxsw: (CVE-2024-35854, CVE-2024-35853, CVE-2024-35852) * kernel: net: (CVE-2024-35958, CVE-2021-47311, CVE-2021-47236, CVE-2021-47310) * kernel: i40e: Do not use WQ_MEM_RECLAIM flag for workqueue (CVE-2024-36004) * kernel: mISDN: fix possible use-after-free in HFC_cleanup() (CVE-2021-47356) * kernel: udf: Fix NULL pointer dereference in udf_symlink function (CVE-2021-47353) Bug Fix(es): * kernel-rt: update RT source tree to the latest AlmaLinux-8.10.z kernel (JIRA:AlmaLinux-40882) * [almalinux8.9][cxgb4]BUG: using smp_processor_id() in preemptible [00000000] code: ethtool/54735 (JIRA:AlmaLinux-8779) For more details about the security issue(s), including the impact, a CVSS score, acknowledgments, and other related information, refer to the CVE page(s) listed in the References section.

Where it's fixed

ProductFixed inFixReleased
Linux
bpftool · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
bpftool · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
bpftool · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel · rocky 8 0:4.18.0-553.8.1.el8_10 RLSA-2024:4211 Jul 15, 2024
kernel-abi-stablelists · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-abi-stablelists · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-abi-stablelists · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-core · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-core · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-core · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-cross-headers · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-cross-headers · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-debug · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-debug · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-debug · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-debug-core · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-debug-core · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-debug-core · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-debug-devel · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-debug-devel · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-debug-devel · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-debug-modules · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-debug-modules · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-debug-modules · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-debug-modules-extra · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-debug-modules-extra · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-debug-modules-extra · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-devel · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-devel · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-devel · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-doc · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-doc · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-doc · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-headers · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-headers · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-modules · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-modules · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-modules · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-modules-extra · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-modules-extra · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-modules-extra · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-rt · RHEL 8 0:4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352 Jul 8, 2024
kernel-rt · almalinux 8 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352 Jul 8, 2024
kernel-rt · rocky 8 0:4.18.0-553.8.1.rt7.349.el8_10 RLSA-2024:4352 Jul 15, 2024
kernel-rt-core · RHEL 8 0:4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352 Jul 8, 2024
kernel-rt-core · almalinux 8 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352 Jul 8, 2024
kernel-rt-debug · RHEL 8 0:4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352 Jul 8, 2024
kernel-rt-debug · almalinux 8 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352 Jul 8, 2024
kernel-rt-debug-core · RHEL 8 0:4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352 Jul 8, 2024
kernel-rt-debug-core · almalinux 8 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352 Jul 8, 2024
kernel-rt-debug-devel · RHEL 8 0:4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352 Jul 8, 2024
kernel-rt-debug-devel · almalinux 8 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352 Jul 8, 2024
kernel-rt-debug-kvm · RHEL 8 0:4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352 Jul 8, 2024
kernel-rt-debug-kvm · almalinux 8 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352 Jul 8, 2024
kernel-rt-debug-modules · RHEL 8 0:4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352 Jul 8, 2024
kernel-rt-debug-modules · almalinux 8 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352 Jul 8, 2024
kernel-rt-debug-modules-extra · RHEL 8 0:4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352 Jul 8, 2024
kernel-rt-debug-modules-extra · almalinux 8 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352 Jul 8, 2024
kernel-rt-devel · RHEL 8 0:4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352 Jul 8, 2024
kernel-rt-devel · almalinux 8 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352 Jul 8, 2024
kernel-rt-kvm · RHEL 8 0:4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352 Jul 8, 2024
kernel-rt-kvm · almalinux 8 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352 Jul 8, 2024
kernel-rt-modules · RHEL 8 0:4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352 Jul 8, 2024
kernel-rt-modules · almalinux 8 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352 Jul 8, 2024
kernel-rt-modules-extra · RHEL 8 0:4.18.0-553.8.1.rt7.349.el8_10 RHSA-2024:4352 Jul 8, 2024
kernel-rt-modules-extra · almalinux 8 4.18.0-553.8.1.rt7.349.el8_10 ALSA-2024:4352 Jul 8, 2024
kernel-tools · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-tools · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-tools · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-tools-libs · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-tools-libs · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-tools-libs · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-tools-libs-devel · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-tools-libs-devel · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-tools-libs-devel · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
kernel-zfcpdump · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-zfcpdump · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-zfcpdump-core · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-zfcpdump-core · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-zfcpdump-devel · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-zfcpdump-devel · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-zfcpdump-modules · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-zfcpdump-modules · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
kernel-zfcpdump-modules-extra · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
kernel-zfcpdump-modules-extra · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
linux · Debian 12.15 (bookworm) 5.14.6-1 DEBIAN-CVE-2021-47310 May 21, 2024
linux · Debian 13.5 (trixie) 5.14.6-1 DEBIAN-CVE-2021-47310 May 21, 2024
linux · Debian 14 5.14.6-1 DEBIAN-CVE-2021-47310 May 21, 2024
perf · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
perf · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
perf · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024
python3-perf · RHEL 8 0:4.18.0-553.8.1.el8_10 RHSA-2024:4211 Jul 2, 2024
python3-perf · almalinux 8 4.18.0-553.8.1.el8_10 ALSA-2024:4211 Jul 2, 2024
python3-perf · ol 8 0:4.18.0-553.8.1.el8_10 ELSA-2024-4211 Jul 2, 2024

Patch Radar data is free to use with attribution. Terms and how to credit it.

Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.