Red Hat Security AdvisoryRHSA-2026:89083
kernel security, bug fix, and enhancement update
Released 2026-10-24 · Red Hat rating Important · View on Red Hat →
Fixes 13 records
Priority MEDIUM 50
In the Linux kernel, the following vulnerability has been resolved: net: gro: fix double aggregation of flush-marked skbs Commit 0ab03f353d36 ("net-gro: Fix GRO flush when receiving a GSO packet.") added a flush check to…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00539 · Published 2026-08-10 · Partial fix · 5.10.266, 6.1.184 +5 CWE-476
Priority MEDIUM 49
In the Linux kernel, the following vulnerability has been resolved: mptcp: options: reset DSS fields in case of unexpected size A remote peer could send a malformed DSS with a wrong size, followed by another DSS or MPC +…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00399 · Published 2026-08-26 · Partial fix · 5.10.266, 5.15.217 +6
Priority MEDIUM 43
In the Linux kernel, the following vulnerability has been resolved: ipv4: validate checksum_start before completing checksum If a packet with bad checksum metadata gets into the ipv4 stack, skb_checksum_help can corrupt…
CVSS 3.1CRITICAL 9.3· Local · No auth · No interaction · EPSS 0.00788 · Published 2026-10-15 · Partial fix · 5.10.272, 5.15.223 +6 CWE-20
Priority MEDIUM 43
In the Linux kernel, the following vulnerability has been resolved: ipvs: reload ip header after head reallocation __ip_vs_get_out_rt() calls skb_ensure_writable() which may reallocate skb->head.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00714 · Published 2026-08-15 · Partial fix · 5.10.269, 5.15.220 +6
Priority MEDIUM 40
In the Linux kernel, the following vulnerability has been resolved: net/iucv: fix use-after-free of a severed iucv_path af_iucv queues not-yet-received message notifications on iucv->message_q, each holding a raw pointer…
CVSS 3.1HIGH 8.8· Adjacent network · No auth · No interaction · EPSS 0.00275 · Published 2026-08-10 · Partial fix · 5.10.265, 5.15.216 +6 CWE-416
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: smb: client: clear setuid/setgid bit on write with cifsacl/modefromsid/posix extensions When a file has the setuid or setgid bit set and is written to,…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00178 · Published 2026-09-11 · Partial fix · 5.10.273, 5.15.224 +6
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: net/iucv: filter frames in afiucv_hs_rcv() by ingress device afiucv_hs_rcv() selects a socket from iucv_sk_list by matching four 8-byte name fields in t…
CVSS 3.1HIGH 8.1· Adjacent network · No auth · No interaction · EPSS 0.00309 · Published 2026-09-11 · Partial fix · 5.10.270, 5.15.221 +6
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: net/packet: avoid fanout hook re-registration after unregister packet_set_ring() temporarily detaches a socket from packet delivery while reconfiguring…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00136 · Published 2026-08-10 · Partial fix · 5.10.265, 5.15.216 +6 CWE-362
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: net/sched: serialize qdisc_rtab_list against concurrent get/put qdisc_get_rtab() and qdisc_put_rtab() mutate the process-global singly linked list qdisc…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00223 · Published 2026-08-10 · Partial fix · 5.10.266, 5.15.217 +6 CWE-362
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: writeback: fix race between cgroup_writeback_umount() and inode_switch_wbs() When a container exits, the following BUG_ON() is occasionally triggered: =…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.001 · Published 2026-07-25 · Partial fix · 4.5, 5.10.261 +6 CWE-362
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: fuse: re-lock request before replacing page cache folio fuse_try_move_folio() unlocks the request on entry but does not re-lock it on the success path.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00133 · Published 2026-07-19 · Partial fix · 5.15.211, 6.1.177 +6 CWE-416
Priority LOW 24
In the Linux kernel, the following vulnerability has been resolved: tcp: restrict SO_ATTACH_FILTER to priv users This patch restricts the use of SO_ATTACH_FILTER (cBPF) on TCP sockets to users with CAP_NET_ADMIN capabili…
CVSS 3.1MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.00125 · Published 2026-06-25 · Partial fix · 6.1.176, 6.6.143 +4
Priority LOW 22
In the Linux kernel, the following vulnerability has been resolved: usb: usbfs: fix use-after-free of usb_device in usbdev_release() usbdev_release() drops its reference to the struct usb_device before draining the list…
CVSS — · EPSS 0.00195 · Published 2026-09-04 · Partial fix · 5.10.269, 5.15.220 +7