An update of the linux package has been released.

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - In the Linux kernel, the following vulnerability has been resolved: x86/ftrace: Relocate %rip-relative     percpu refs in dynamic trampolines With CONFIG_CALL_DEPTH_TRACKING enabled on an x86 retbleed-affected     platform (eg: Skylake), with retbleed=stuff, registering a dynamic ftrace trampoline crashes on the first     call into the traced function: BUG: unable to handle page fault for address: ffff88817ae18880 #PF:
    supervisor write access in kernel mode #PF: error_code(0x0002) - not-present page PGD 4b53067 P4D 4b53067     PUD 0 Oops: Oops: 0002 [#1] SMP PTI CPU: 3 UID: 0 PID: 187 Comm: usleep Not tainted 7.0.10 #243     PREEMPT(full) Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS Arch Linux 1.17.0-2-2 04/01/2014     Code: 24 78 00 00 00 00 48 89 ea 48 89 54 24 20 48 8b b4 24 b8 00 00 00 48 8b bc 24 b0 00 00 00 48 89 bc     24 80 00 00 00 48 83 ef 05 <65> 48 c1 3d 1f a8 b6 02 05 48 8b 15 f6 00 00 00 4c 89 3c 24 4c 89 Call Trace:
    <TASK> ? find_held_lock ? exc_page_fault ? lock_release ? __x64_sys_clock_nanosleep ?     lockdep_hardirqs_on_prepare ? trace_hardirqs_on __x64_sys_clock_nanosleep do_syscall_64 ? exc_page_fault ?     call_depth_return_thunk entry_SYSCALL_64_after_hwframe ... Kernel panic - not syncing: Fatal exception     This small reproducer allows to easily trigger the crash: # echo 'p __x64_sys_clock_nanosleep' >     /sys/kernel/tracing/kprobe_events # echo 1 >     /sys/kernel/tracing/events/kprobes/p___x64_sys_clock_nanosleep_0/enable # usleep 1 Monitoring the crash     under GDB points to the exact instruction in charge of incrementing the call depth: sarq $5,     %gs:__x86_call_depth(%rip) This instruction matches the one inserted by the ftrace_regs_caller from     ftrace_64.S. This emitted code was likely working fine until the introduction of 59bec00ace28     (x86/percpu: Introduce %rip-relative addressing to PER_CPU_VAR()): it has made the call depth accounting     addressing relative to $rip, instead of being based on an absolute address. As this code exact location     depends on where the trampoline lives in memory, the corresponding displacement needs to be adjusted at     runtime to actually correctly find the per-cpu __x86_call_depth value, otherwise the targeted address is     wrong, leading to the page fault seen above. Fix the %rip-relative displacement of the copied     CALL_DEPTH_ACCOUNT instruction (from ftrace_regs_caller) by calling text_poke_apply_relocation(), as it is     done for example by the x86 BPF JIT compiler through x86_call_depth_emit_accounting(). This corrects both     CALL_DEPTH_ACCOUNT slots, in ftrace_caller and ftrace_regs_caller. [ bp: Massage. ] (CVE-2026-64235)

Note that Nessus relies on the presence of the package as reported by the vendor.

ID	Name	Product	Family	Published	Updated	Severity
328493	Amazon Linux 2023 : bpftool6.12, kernel6.12, kernel6.12-devel (ALAS2023-2026-1968)	Nessus	Amazon Linux Local Security Checks	7/20/2026	8/13/2026	high
340045	Ubuntu 26.04 LTS : Linux kernel (NVIDIA BaseOS) vulnerabilities (USN-8664-1)	Nessus	Ubuntu Local Security Checks	8/26/2026	8/26/2026	high
333762	Photon OS 5.0: Linux PHSA-2026-5.0-92-0895	Nessus	PhotonOS Local Security Checks	8/10/2026	8/21/2026	high
340681	Ubuntu 24.04 LTS / 26.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (NVIDIA) vulnerabilities (USN-8663-1)	Nessus	Ubuntu Local Security Checks	8/26/2026	8/26/2026	high
322944	Photon OS 5.0: Linux PHSA-2026-5.0-0895	Nessus	PhotonOS Local Security Checks	6/26/2026	8/25/2026	high
322087	Amazon Linux 2023 : bpftool6.18, kernel6.18, kernel6.18-devel (ALAS2023-2026-1881)	Nessus	Amazon Linux Local Security Checks	6/22/2026	8/13/2026	high
343049	Oracle Linux 10 / 9 : Unbreakable Enterprise kernel (ELSA-2026-500248)	Nessus	Oracle Linux Local Security Checks	9/4/2026	9/5/2026	high
330187	Linux Distros Unpatched Vulnerability : CVE-2026-64235	Nessus	Misc.	7/27/2026	9/7/2026	high
343532	Ubuntu 24.04 LTS / Pro Realtime 24.04 LTS : Linux kernel (GCP) vulnerabilities (USN-8728-1)	Nessus	Ubuntu Local Security Checks	9/7/2026	9/7/2026	high

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