Red Hat Security AdvisoryRHSA-2026:85774
kernel-rt security, bug fix, and enhancement update
Released 2026-10-20 · Red Hat rating Important · View on Red Hat →
Fixed in
- Red Hat Enterprise Linux NFV (v. 8) kernel-rt-4.18.0-553.176.1.rt7.517.el8_10, kernel-rt-core-4.18.0-553.176.1.rt7.517.el8_10, kernel-rt-debug-4.18.0-553.176.1.rt7.517.el8_10 +9
- Red Hat Enterprise Linux RT (v. 8) kernel-rt-4.18.0-553.176.1.rt7.517.el8_10, kernel-rt-core-4.18.0-553.176.1.rt7.517.el8_10, kernel-rt-debug-4.18.0-553.176.1.rt7.517.el8_10 +7
Fixes 10 records
Priority MEDIUM 49
In the Linux kernel, the following vulnerability has been resolved: sctp: stop processing a packet once its association is deleted sctp_endpoint_bh_rcv() looks the association up only when chunk->asoc is NULL, and caches…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.005 · Published 2026-09-11 · Partial fix · 5.10.270, 5.15.221 +6
Priority MEDIUM 49
In the Linux kernel, the following vulnerability has been resolved: sctp: validate cookie AUTH state before use When cookie authentication is disabled, COOKIE_ECHO restores fixed-size AUTH fields directly from peer-contr…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00524 · Published 2026-08-26 · Partial fix · 6.6.160, 6.12.114 +2
Priority MEDIUM 49
In the Linux kernel, the following vulnerability has been resolved: sctp: keep chunk->transport in step with the list it is queued on __sctp_outq_flush_rtx() moves a gap-acked chunk onto another transport's transmitted l…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.005 · Published 2026-08-22 · Partial fix · 5.10.265, 5.15.216 +6
Priority MEDIUM 46
In the Linux kernel, the following vulnerability has been resolved: smb: client: reject a tree connect response whose byte count is too small CIFSTCon() bounds its strnlen() over the byte area with the server's ByteCount…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00491 · Published 2026-09-11 · Partial fix · 6.1.191, 6.6.160 +4
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: xfrm: Check for underflow in xfrm_state_mtu Leo Lin reported OOB write issue in esp component: xfrm_state_mtu() returns u32 but performs its arithmetic…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00144 · Published 2026-07-19 · Partial fix · 5.10.259, 5.15.210 +6 CWE-191
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: xfrm: espintcp: do not reuse an in-progress partial send espintcp keeps a single in-flight transmit in ctx->partial.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00096 · Published 2026-06-24 · Partial fix · 5.10.259, 5.15.210 +6 CWE-362
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: netfilter: flowtable: hold reference on ct until flow is released nf_ct_put() releases the ct->ext area inmediately, the rcu typesafe semantics also all…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00139 · Published 2026-10-06 · Partial fix · 5.10.271, 5.15.222 +6
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: perf: Fix addr_filter_ranges lifetime Lee Jia Jie reported that since event::addr_filter_ranges is used under RCU, it should be RCU freed.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00129 · Published 2026-09-24 · Partial fix · 6.1.191, 6.6.160 +3
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_log: wait for rcu grace period before freeing pernet state sashiko reports: "nfnl_log_net_exit() calls nf_log_unset(), which clears…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00129 · Published 2026-09-24 · Partial fix · 5.15.222, 6.1.189 +4
Priority LOW 30
In the Linux kernel, the following vulnerability has been resolved: USB: serial: io_ti: fix heap overflow in get_manuf_info() get_manuf_info() reads le16_to_cpu(rom_desc->Size) bytes from the device I2C EEPROM into a buf…
CVSS 3.1MEDIUM 6.8· Physical · No auth · No interaction · EPSS 0.00271 · Published 2026-06-25 · Partial fix · 5.10.259, 5.15.210 +6 CWE-787