Red Hat Security AdvisoryRHSA-2026:93047
kernel-rt security, bug fix, and enhancement update
Released 2026-10-30 · Red Hat rating Important · View on Red Hat →
Fixes 23 records
Priority MEDIUM 50
In the Linux kernel, the following vulnerability has been resolved: dm-verity: fix buffer overflow in FEC calculation There's a buffer overflow in dm-verity-fec: if (neras && *neras <= v->fec->roots) fio->erasures[(*nera…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00789 · Published 2026-08-15 · Partial fix · 6.1.191, 6.6.160 +4 CWE-787
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 50
In the Linux kernel, the following vulnerability has been resolved: crypto: pcrypt - Fix handling of MAY_BACKLOG requests MAY_BACKLOG requests can return EBUSY.
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00681 · Published 2026-05-19 · Partial fix · 5.10.258, 5.15.209 +6 CWE-390
Priority MEDIUM 49
In the Linux kernel, the following vulnerability has been resolved: vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu() skb_tunnel_check_pmtu() can change skb->head.
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-416
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 49
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…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00442 · Published 2026-06-25 · Partial fix · 6.18.36, 7.0.13 +1 CWE-125
Priority MEDIUM 49
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 p…
CVSS 3.1CRITICAL 9.8· Network · No auth · No interaction · EPSS 0.00503 · Published 2025-12-24 · Partial fix · 4.10, 4.15 +6
Priority MEDIUM 46
In the Linux kernel, the following vulnerability has been resolved: nvmet-auth: validate reply message payload bounds against transfer length nvmet_auth_reply() accesses the variable-length rval[] array using attacker-co…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00563 · Published 2026-07-25 · Partial fix · 6.1.191, 6.6.145 +4 CWE-125
Priority MEDIUM 46
In the Linux kernel, the following vulnerability has been resolved: sctp: validate embedded INIT chunk and address list lengths in cookie sctp_unpack_cookie() only checked that the embedded INIT chunk length did not exce…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00574 · Published 2026-06-25 · Partial fix · 6.1.191, 6.6.160 +4 CWE-125
Priority MEDIUM 40
In the Linux kernel, the following vulnerability has been resolved: scsi: qla2xxx: Bound rsp_info_len to avoid OOB sense-data read In qla2x00_status_entry(), the FWI2 status path advances sense_data and shrinks par_sense…
CVSS 3.1CRITICAL 9.1· Network · No auth · No interaction · EPSS 0.00714 · Published 2026-09-16 · Partial fix · 5.10.270, 5.15.221 +6
Priority MEDIUM 40
In the Linux kernel, the following vulnerability has been resolved: mac802154: llsec: add skb_cow_data() before in-place crypto llsec_do_encrypt_unauth(), llsec_do_encrypt_auth(), llsec_do_decrypt_unauth(), and llsec_do_…
CVSS 3.1HIGH 8.8· Adjacent network · No auth · No interaction · EPSS 0.00307 · Published 2026-07-19 · Partial fix · 5.10.260, 5.15.211 +6 CWE-416
Priority LOW 38
In the Linux kernel, the following vulnerability has been resolved: selinux: check connect-related permissions on TCP Fast Open Similar to Landlock, SELinux was not updated when TCP Fast Open support was introduced to en…
CVSS 3.1HIGH 8.4· Local · Low privileges · No interaction · EPSS 0.00166 · Published 2026-08-15 · Partial fix · 6.1.178, 6.6.145 +4
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: ALSA: usx2y: bound the hwdep mmap fault offset snd_us428ctls_vm_fault() turns the faulting page offset into a kernel address with no bound of any kind:…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00129 · Published 2026-08-22 · Partial fix · 5.10.266, 5.15.216 +6
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: blk-mq: pop cached request if it is usable When submitting a bio to blk-mq, if the task should sleep after peeking a cached request, but before it pops…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00126 · Published 2026-07-19 · Partial fix · 6.1.191, 6.6.161 +5 CWE-416
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: blk-cgroup: fix UAF in __blkcg_rstat_flush() When multiple blkgs in the same blkcg are released concurrently, a use-after-free can occur.
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00102 · Published 2026-07-19 · Partial fix · 6.4, 6.6.144 +4 CWE-362
Priority LOW 35
In the Linux kernel, the following vulnerability has been resolved: ata: ahci: Match EM_MAX_SLOTS with SATA_PMP_MAX_PORTS UBSAN complains about array-index-out-of-bounds: [ 1.980703] kernel: UBSAN: array-index-out-of-bou…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00168 · Published 2025-09-15 · Partial fix · 4.9.332, 4.14.298 +6 CWE-129
Priority LOW 33
In the Linux kernel, the following vulnerability has been resolved: Bluetooth: MGMT: validate LTK enc_size on load Load Long Term Keys stores the user-provided enc_size and later uses it to size fixed-size stack operatio…
CVSS 3.1HIGH 7.8· Local · Low privileges · No interaction · EPSS 0.00129 · Published 2026-05-01 · Partial fix · 5.10.253, 5.15.203 +6 CWE-787
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 30
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-b…
CVSS 3.1HIGH 7.1· Local · Low privileges · No interaction · EPSS 0.00142 · Published 2026-05-28 · Partial fix · 5.10.258, 5.15.209 +6 CWE-126
Priority LOW 30
In the Linux kernel, the following vulnerability has been resolved: netfilter: nfnetlink_cthelper: fix OOB read in nfnl_cthelper_dump_table() nfnl_cthelper_dump_table() has a 'goto restart' that jumps to a label inside t…
CVSS 3.1HIGH 7.1· Local · Low privileges · No interaction · EPSS 0.00132 · Published 2026-05-08 · Partial fix · 5.10.253, 5.15.203 +6 CWE-125
Priority LOW 24
In the Linux kernel, the following vulnerability has been resolved: crypto: af_alg - Cap AEAD AD length to 0x80000000 In order to prevent arithmetic overflows when checking the TX buffer size, cap the associated data len…
CVSS 3.1MEDIUM 5.5· Local · Low privileges · No interaction · EPSS 0.00144 · Published 2026-06-24 · Partial fix · 5.10.258, 5.15.209 +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