Summary
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: Linux kernel: Denial of Service in qla2xxx SCSI driver due to improper command handling after chip reset (CVE-2025-68745)
* kernel: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() (CVE-2026-46149)
* kernel: netfilter: nf_log: validate MAC header was set before dumping it (CVE-2026-52942)
* kernel: sctp: diag: reject stale associations in dump_one path (CVE-2026-52917)
* kernel: net: pull headers in qdisc_pkt_len_segs_init() (CVE-2026-53091)
* kernel: netfilter: nf_conntrack_sip: don't use simple_strtoul (CVE-2026-52986)
* kernel: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing (CVE-2026-53246)
* kernel: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done (CVE-2026-63801)
* kernel: sctp: fix race between sctp_wait_for_connect and peeloff (CVE-2026-63971)
* kernel: security/keys: fix missed RCU read section on lookup (CVE-2026-64015)
* kernel: ixgbevf: fix use-after-free in VEPA multicast source pruning (CVE-2026-64113)
* kernel: sctp: fix auth_hmacs array size in struct sctp_cookie (CVE-2026-68376)
* kernel: tipc: clear sock->sk on the failed-insert path in tipc_sk_create() (CVE-2026-68117)
* kernel: sctp: auth: verify auth requirement when auth_chunk is NULL (CVE-2026-68300)
* kernel: sctp: validate stream count in sctp_process_strreset_inreq() (CVE-2026-68315)
Bug Fix(es) and Enhancement(s):
* scsi: mpt3sas: avoid freeing unallocated PCIe SGL buffers [rhel 8.6.z] (JIRA:Rocky Linux-194117)
* gfs2: harden gfs2_glock_hold [Rocky Linux-8] (JIRA:Rocky Linux-240340)
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.
Fixed packages 1
| Release | Package | Fixed in |
|---|---|---|
| Rocky Linux · 8 | kernel-rt | 0:4.18.0-553.162.1.rt7.503.el8_10 |
Vulnerabilities 15
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Critical 9.8
scsi: qla2xxx: Clear cmds after chip reset
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Clear cmds after chip reset Commit aefed3e5548f ("scsi: qla2xxx: target: Fix offline port handling and host reset handling") caused two problems: 1. Commands sent to FW, after …
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Critical 9.8
netfilter: nf_conntrack_sip: don't use simple_strtoul
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_conntrack_sip: don't use simple_strtoul Replace unsafe port parsing in epaddr_len(), ct_sip_parse_header_uri(), and ct_sip_parse_request() with a new sip_parse_port() helper tha…
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Critical 9.8
sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing
In the Linux kernel, the following vulnerability has been resolved: sctp: validate cached peer INIT chunk length in COOKIE_ECHO processing When a listening SCTP server processes a COOKIE_ECHO chunk, the cached peer INIT chunk embedded after the cookie is pars…
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Critical 9.8
ixgbevf: fix use-after-free in VEPA multicast source pruning
In the Linux kernel, the following vulnerability has been resolved: ixgbevf: fix use-after-free in VEPA multicast source pruning ixgbevf_clean_rx_irq() prunes frames whose source MAC matches the VF's own address (VEPA multicast workaround) by freeing the skb …
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Critical 9.8
tipc: clear sock->sk on the failed-insert path in tipc_sk_create()
In the Linux kernel, the following vulnerability has been resolved: tipc: clear sock->sk on the failed-insert path in tipc_sk_create() When tipc_sk_create() fails to insert the new socket (tipc_sk_insert() returns non-zero), its error path frees the sk with s…
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Critical 9.8
sctp: auth: verify auth requirement when auth_chunk is NULL
In the Linux kernel, the following vulnerability has been resolved: sctp: auth: verify auth requirement when auth_chunk is NULL sctp_auth_chunk_verify() returns true unconditionally when chunk->auth_chunk is NULL, silently skipping authentication. This is inc…
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High 8.8
tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done
In the Linux kernel, the following vulnerability has been resolved: tipc: fix slab-use-after-free Read in tipc_aead_decrypt_done tipc_aead_decrypt() goes straight from tipc_bearer_hold(b) to crypto_aead_decrypt(req) without taking a reference on the netns, un…
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High 8.4
net: pull headers in qdisc_pkt_len_segs_init()
In the Linux kernel, the following vulnerability has been resolved: net: pull headers in qdisc_pkt_len_segs_init() Most ndo_start_xmit() methods expects headers of gso packets to be already in skb->head. net/core/tso.c users are particularly at risk, because …
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High 8.1CVE-2026-68376 Public exploit
sctp: fix auth_hmacs array size in struct sctp_cookie
In the Linux kernel, the following vulnerability has been resolved: sctp: fix auth_hmacs array size in struct sctp_cookie The auth_hmacs array in struct sctp_cookie is supposed to store a complete SCTP_AUTH_HMAC_ALGO parameter, which consists of a struct sctp…
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High 7.8
sctp: fix race between sctp_wait_for_connect and peeloff
In the Linux kernel, the following vulnerability has been resolved: sctp: fix race between sctp_wait_for_connect and peeloff sctp_wait_for_connect() drops and re-acquires the socket lock while waiting for the association to reach ESTABLISHED state. During thi…
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High 7.8
security/keys: fix missed RCU read section on lookup
In the Linux kernel, the following vulnerability has been resolved: security/keys: fix missed RCU read section on lookup Nicholas Carlini reports that the keyring code calls assoc_array_find() in find_key_to_update() without holding the RCU read lock, while t…
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High 7.5
sctp: validate stream count in sctp_process_strreset_inreq()
In the Linux kernel, the following vulnerability has been resolved: sctp: validate stream count in sctp_process_strreset_inreq() When processing a RESET_IN_REQUEST from a peer, sctp_process_strreset_inreq() derives the stream count from the parameter length b…
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High 7.1
scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show()
In the Linux kernel, the following vulnerability has been resolved: scsi: target: configfs: Bound snprintf() return in tg_pt_gp_members_show() target_tg_pt_gp_members_show() formats LUN paths with snprintf() into a 256-byte stack buffer, then will memcpy() cu…
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High 7.1
sctp: diag: reject stale associations in dump_one path
In the Linux kernel, the following vulnerability has been resolved: sctp: diag: reject stale associations in dump_one path The SCTP exact sock_diag lookup can hold a transport reference, block on lock_sock(sk), and then resume after sctp_association_free() ha…
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High 7.1
netfilter: nf_log: validate MAC header was set before dumping it
In the Linux kernel, the following vulnerability has been resolved: netfilter: nf_log: validate MAC header was set before dumping it The fallback path of dump_mac_header() guards the MAC header access only with "skb->mac_header != skb->network_header", withou…
References
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2425039
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2482566
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492091
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492115
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492270
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492397
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2492771
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502254
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502331
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502380
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2502541
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2513253
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2513397
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2513408
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report
https://bugzilla.redhat.com/show_bug.cgi?id=2513474
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advisory
https://access.redhat.com/errata/RHSA-2026:66324