Red Hat Security AdvisoryRHSA-2026:77219
kernel security, bug fix, and enhancement update
Released 2026-10-08 · Red Hat rating Important · View on Red Hat →
Fixes 16 records
Priority MEDIUM 50
In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh pointer after ipv6_hop_jumbo() ipv6_hop_jumbo() calls pskb_trim_rcsum(), which can change skb pointers.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00714 · Published 2026-07-19 · Partial fix · 5.10.259, 5.15.210 +6 CWE-822
Priority MEDIUM 50
In the Linux kernel, the following vulnerability has been resolved: ipv6: exthdrs: refresh nh after handling HAO option ip6_parse_tlv() caches skb_network_header(skb) in nh while walking IPv6 TLVs.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00714 · Published 2026-07-19 · Partial fix · 5.10.259, 5.15.210 +6 CWE-416
Priority MEDIUM 49
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix query_info() replay double-free A response-bearing attempt can return a replayable error and free its response buffer.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00457 · Published 2026-07-25 · Fixed in 6.6.145, 6.12.96 +3 CWE-415
Priority MEDIUM 49
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_ioctl() replay A response-bearing attempt can return a replayable error and free its response buffer.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00457 · Published 2026-07-25 · Fixed in 6.6.145, 6.12.96 +3 CWE-415
Priority MEDIUM 49
In the Linux kernel, the following vulnerability has been resolved: smb: client: fix double-free in SMB2_flush() replay SMB2_flush() keeps its response buffer bookkeeping across replay attempts.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00457 · Published 2026-07-25 · Fixed in 6.6.145, 6.12.96 +3 CWE-415
Priority MEDIUM 49
In the Linux kernel, the following vulnerability has been resolved: ipv6: rpl: fix hdrlen overflow in ipv6_rpl_srh_decompress() ipv6_rpl_srh_decompress() computes: outhdr->hdrlen = (((n + 1) * sizeof(struct in6_addr)) >>…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00514 · Published 2026-07-19 · Partial fix · 5.10.259, 5.15.210 +6 CWE-190
Priority MEDIUM 46
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv rxe_rcv() currently checks only that the incoming packet is at least header_size(pkt) b…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00514 · Published 2026-05-27 · Partial fix · 5.10.258, 5.15.209 +6 CWE-190
Priority MEDIUM 40
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Reject unknown opcodes before ICRC processing Even after applying commit 7244491dab34 ("RDMA/rxe: Validate pad and ICRC before payload_size()…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00574 · Published 2026-05-28 · Partial fix · 5.10.258, 5.15.209 +6 CWE-125
Priority LOW 39
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Reject non-8-byte ATOMIC_WRITE payloads atomic_write_reply() at drivers/infiniband/sw/rxe/rxe_resp.c unconditionally dereferences 8 bytes at p…
CVSS 3.1HIGH 7.5· Network · No auth · No interaction · EPSS 0.00467 · Published 2026-05-28 · Fixed in 6.6.140, 6.12.88 +3 CWE-125
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix a use-after-free problem in rxe_mmap rxe_mmap() removes a rxe_mmap_info struct from the pending_mmaps list and releases pending_lock while…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00168 · Published 2026-08-05 · Partial fix · 5.10.265, 5.15.216 +6 CWE-416
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix race condition in QP timer handlers I encontered the following warning: WARNING: drivers/infiniband/sw/rxe/rxe_task.c:249 at rxe_sched_tas…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00125 · Published 2026-05-27 · Fixed in 6.6.128, 6.12.75 +3 CWE-362
Priority LOW 30
In the Linux kernel, the following vulnerability has been resolved: ipv6: validate extension header length before copying to cmsg ip6_datagram_recv_specific_ctl() builds IPV6_{HOPOPTS,DSTOPTS,RTHDR} cmsgs (and their IPV6…
CVSS 3.1HIGH 7.1· Local · Low privileges · No interaction · EPSS 0.00172 · Published 2026-07-19 · Partial fix · 5.10.259, 5.15.210 +6 CWE-125
Priority LOW 24
In the Linux kernel, the following vulnerability has been resolved: ipv6: add NULL checks for idev in SRv6 paths __in6_dev_get() can return NULL when the device has no IPv6 configuration (e.g.
CVSS 3.1MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.00134 · Published 2026-04-03 · Partial fix · 5.10.258, 5.15.209 +6 CWE-476
Priority LOW 22
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix responder UAF on IB_QP_MAX_DEST_RD_ATOMIC modify_qp rxe_qp_from_attr() handles IB_QP_MAX_DEST_RD_ATOMIC outside the IB_QP_STATE path, so i…
CVSS — · EPSS 0.00197 · Published 2026-09-04 · Partial fix · 6.1.191, 6.6.160 +5
Priority LOW 22
In the Linux kernel, the following vulnerability has been resolved: RDMA/rxe: Fix OOB in free_rd_atomic_resources() free_rd_atomic_resources() iterates using qp->attr.max_dest_rd_atomic.
CVSS — · EPSS 0.00182 · Published 2026-09-04 · Partial fix · 5.10.269, 5.15.220 +7
Priority LOW 22
In the Linux kernel, the following vulnerability has been resolved: ipv6: fix use-after-free in ip6_finish_output2() ip6_finish_output2() caches a pointer to the IPv6 destination address (daddr) before invoking lwtunnel_…
CVSS — · EPSS 0.00195 · Published 2026-09-04 · Partial fix · 5.10.267, 5.5 +8