Oracle Linux 8 ELSA-2026-50299 Kernel Important DoS Issues
oracle
June 4, 2026
The following updated rpms for Oracle Linux 8 have been uploaded to the Unbreakable Linux Network:
Summary
[5.4.17-2136.356.4.1] - smb: client: reject userspace cifs.spnego descriptions (Asim Viladi Oglu Manizada) [Orabug: 39463669] [5.4.17-2136.356.4] - tun: free page on build_skb failure in tun_xdp_one() (Weiming Shi) [Orabug: 39429147] - tap: free page on error paths in tap_get_user_xdp() (Weiming Shi) [Orabug: 39429147] - tun: free page on short-frame rejection in tun_xdp_one() (Weiming Shi) [Orabug: 39429147] [5.4.17-2136.356.3] - ptrace: slightly saner 'get_dumpable()' logic (Linus Torvalds) [Orabug: 39384275,39391459] {CVE-2026-46333} - net: skbuff: propagate shared-frag marker through frag-transfer helpers (Hyunwoo Kim) [Orabug: 39368828,39441326] {CVE-2026-43503,CVE-2026-46300} - net: skbuff: preserve shared-frag marker during coalescing (William Bowling) [Orabug: 39368828] {CVE-2026-46300} [5.4.17-2136.356.2] - nfsd: fix heap overflow in NFSv4.0 LOCK replay cache (Jeff Layton) [Orabug: 39167617,39368718] {CVE-2026-31402} - scsi: target: iscsi: Fix use-after-free in iscsit_...
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Topics Covered
SRPMs
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http://oss.oracle.com/ol8/SRPMS-updates/kernel-uek-5.4.17-2136.356.4.1.el8uek.src.rpm
x86_64
kernel-uek-5.4.17-2136.356.4.1.el8uek.x86_64.rpm kernel-uek-container-5.4.17-2136.356.4.1.el8uek.x86_64.rpm kernel-uek-container-debug-5.4.17-2136.356.4.1.el8uek.x86_64.rpm kernel-uek-debug-5.4.17-2136.356.4.1.el8uek.x86_64.rpm kernel-uek-debug-devel-5.4.17-2136.356.4.1.el8uek.x86_64.rpm kernel-uek-devel-5.4.17-2136.356.4.1.el8uek.x86_64.rpm kernel-uek-doc-5.4.17-2136.356.4.1.el8uek.noarch.rpm
aarch64
Warning: Undefined array key "aarch64" in /var/www/www.linuxsecurity.com-443/html/tmp/regularlabs/custom_php/3513301_e56299796c15533618c4654f1fef4725 on line 22
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Severity
important
Lowest
Low
Medium
High
Critical
Related CVEs:
CVE-2025-54518
CVE-2026-23193
CVE-2026-23216
CVE-2026-31402
CVE-2026-43284
CVE-2026-43503
CVE-2026-46300
CVE-2026-46333
Topics Covered
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