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Security advisories & CVEs
2767 advisories across 32 monitored vendors.
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High [CVE-2026-68393] extend conn_hash lookup critical sections
extend conn_hash lookup critical sections. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-68389] Clear memdump state on invalid dump size
Clear memdump state on invalid dump size. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825.
High [CVE-2026-68381] Use-after-free vulnerability due to race condition in connection handling
Use-after-free vulnerability due to race condition in connection handling. Red Hat rates this moderate (CVSS 7). Weakness: CWE-364. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-68377] Linux kernel: Denial of Service due to use-after-free in act_tunnel_key
Linux kernel: Denial of Service due to use-after-free in act_tunnel_key. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
High [CVE-2026-68376] fix auth_hmacs array size in struct sctp_cookie
fix auth_hmacs array size in struct sctp_cookie. Red Hat rates this important (CVSS 7). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-68373] Linux kernel: Out-of-bounds read in wifi driver due to length underflow
Linux kernel: Out-of-bounds read in wifi driver due to length underflow. Red Hat rates this moderate (CVSS 7.1). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-68368] validate datagram bounds in ncm_unwrap_ntb
validate datagram bounds in ncm_unwrap_ntb(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat package: kernel-rt.
High [CVE-2026-68365] cap received transmit credits
cap received transmit credits. Red Hat rates this moderate (CVSS 7). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-68363] Linux kernel: ath9k Wi-Fi driver use-after-free vulnerability leading to system crash
Linux kernel: ath9k Wi-Fi driver use-after-free vulnerability leading to system crash. Red Hat rates this moderate (CVSS 7). Weakness: CWE-825. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-68351] bound memcpy length in cmd callback to prevent OOB read
bound memcpy length in cmd callback to prevent OOB read. Red Hat rates this moderate (CVSS 7). Weakness: CWE-125. Affected products named by the advisory: Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
High [CVE-2026-68349] fix buffer overflow in rx_stream failover path
fix buffer overflow in rx_stream failover path. Red Hat rates this moderate (CVSS 7). Weakness: CWE-120. Affected products named by the advisory: Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
High [CVE-2026-68343] validate DFS referral PathConsumed
validate DFS referral PathConsumed. Red Hat rates this moderate (CVSS 7). Weakness: CWE-805. Red Hat lists fixing advisory RHSA-2026:57252 with package kernel-0:5.14.0-687.41.1.el9_8. Affected product named by the advisory: Red Hat Enterprise Linux 9.
High [CVE-2026-68338] avoid fanout hook re-registration after unregister
avoid fanout hook re-registration after unregister. Red Hat rates this moderate (CVSS 7). Weakness: CWE-367. Affected products named by the advisory: Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
High [CVE-2026-68335] drop incoming messages that cross network namespace boundaries
drop incoming messages that cross network namespace boundaries. Red Hat rates this important (CVSS 7). Weakness: CWE-825. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-68329] Wait for completion instead of returning early in iommu_completion_wait
Wait for completion instead of returning early in iommu_completion_wait(). Red Hat rates this moderate (CVSS 7). Weakness: CWE-367. Affected products named by the advisory: Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; and 1 more. Affected products named by the advisory: Red Hat package: kernel-rt.
High [CVE-2026-68325] Bound the early ACPI HID map
Bound the early ACPI HID map. Red Hat rates this moderate (CVSS 7). Weakness: CWE-787. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-68323] serialize udp bearer replicast list updates
serialize udp bearer replicast list updates. Red Hat rates this moderate (CVSS 7). Weakness: CWE-820. Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux for NVIDIA 26; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-68320] fix auth_chunk_list capacity check in sctp_auth_ep_add_chunkid
fix auth_chunk_list capacity check in sctp_auth_ep_add_chunkid. Red Hat rates this moderate (CVSS 7). Weakness: CWE-120. Affected products named by the advisory: Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 2 more. Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.
High [CVE-2026-68316] Fix element size accounting for cmd stream validation
Fix element size accounting for cmd stream validation. Red Hat rates this moderate (CVSS 7). Weakness: CWE-131.
High [CVE-2026-68299] fix BUG_ON in vmxnet3_get_hdr_len for Geneve packets
fix BUG_ON in vmxnet3_get_hdr_len() for Geneve packets. Red Hat rates this moderate (CVSS 7). Weakness: CWE-617. Affected products named by the advisory: Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat OpenShift Container Platform 4; Red Hat package: kernel-rt.