OESA-2026-2076 kernel security update

The Linux Kernel, the operating system core itself. Security Fixes: In the Linux kernel, the following vulnerability has been resolved: tcp: Clear tcpsksk-fastopenrsk in tcpdisconnect. syzbot reported the splat below where a socket had tcpsksk-fastopenrsk in the TCPESTABLISHED state. 0 syzbot...

kernel security update

3.10.0-1160.119.1.0.17 - scsi: ses: Fix possible descptr out-of-bounds accesses CVE-2023-53675 Orabug: 38860426 - ipv6: Fix out-of-bounds access in ipv6findtlv CVE-2023-53705 Orabug: 38860426 - netsched: hfsc: Fix a potential UAF in hfscdequeue too CVE-2025-37823 Orabug: 38860426 - libceph: fix...

CLSA-2026-1768110920 kernel: Fix of 16 CVEs

crypto: lzo - Fix compression buffer overrun CVE-2025-38068 - wifi: brcmfmac: fix use-after-free when rescheduling brcmfbtcoexinfo work CVE-2025-39863 - NFSD: Protect against send buffer overflow in NFSv2 READ CVE-2022-43945 - tcp: Clear tcpsksk-fastopenrsk in tcpdisconnect. CVE-2025-40186 - can:...

Important: kernel-livepatch-6.12.48-67.114

Issue Overview: In the Linux kernel, the following vulnerability has been resolved: tcp: Clear tcpsksk-fastopenrsk in tcpdisconnect. CVE-2025-39955 Affected Packages: kernel-livepatch-6.12.48-67.114 Issue Correction: Please ensure you have live patching enabled. Run dnf update...

CVE-2025-39955

In the Linux kernel, the following vulnerability has been resolved: tcp: Clear tcpsksk-fastopenrsk in tcpdisconnect. syzbot reported the splat below where a socket had tcpsksk-fastopenrsk in the TCPESTABLISHED state. 0 syzbot reused the server-side TCP Fast Open socket as a new client before the...

UBUNTU-CVE-2025-39955

In the Linux kernel, the following vulnerability has been resolved: tcp: Clear tcpsksk-fastopenrsk in tcpdisconnect. syzbot reported the splat below where a socket had tcpsksk-fastopenrsk in the TCPESTABLISHED state. 0 syzbot reused the server-side TCP Fast Open socket as a new client before the...

CVE-2025-39955

The CVE-2025-39955 entry concerns the Linux kernel TCP Fast Open path. The root cause is that tcp_disconnect() failed to clear tcp_sk(sk)->fastopen_rsk, allowing the retransmit timer to trigger while a TFO socket is being reused, potentially delaying or missing a retransmission. The fix implem...

CVE-2025-39955

In the Linux kernel, the following vulnerability has been resolved: tcp: Clear tcpsksk-fastopenrsk in tcpdisconnect. syzbot reported the splat below where a socket had tcpsksk-fastopenrsk in the TCPESTABLISHED state. 0 syzbot reused the server-side TCP Fast Open socket as a new client before the...

Linux Kernel Security Vulnerabilities

Linux kernel is the kernel used by Linux, the open source operating system of the Linux Foundation in the United States. A security vulnerability exists in Linux kernel that stems from tcpdisconnect not clearing tcpsksk-fastopenrsk, which could result in packets not being retransmitted...