| Reporter | Title | Published | Views | Family All 15 |
|---|---|---|---|---|
| Linux kernel 安全漏洞 | 27 May 202600:00 | – | cnnvd | |
| CVE-2026-45904 | 27 May 202612:17 | – | cve | |
| CVE-2026-45904 powerpc/eeh: fix recursive pci_lock_rescan_remove locking in EEH event handling | 27 May 202612:17 | – | cvelist | |
| [SECURITY] [DLA 4606-1] linux security update | 29 May 202616:36 | – | debian | |
| CVE-2026-45904 | 27 May 202612:17 | – | debiancve | |
| Debian dla-4606 : ata-modules-5.10.0-43-armmp-di - security update | 3 Jun 202600:00 | – | nessus | |
| EUVD-2026-32370 | 27 May 202615:33 | – | euvd | |
| CVE-2026-45904 | 27 May 202614:17 | – | nvd | |
| BELL-CVE-2026-45904 | 28 May 202606:10 | – | osv | |
| DEBIAN-CVE-2026-45904 | 27 May 202614:17 | – | osv |
#%NASL_MIN_LEVEL 80900
##
# (C) Tenable, Inc.
##
include('compat.inc');
if (description)
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script_id(317133);
script_version("1.3");
script_set_attribute(attribute:"plugin_modification_date", value:"2026/05/30");
script_cve_id("CVE-2026-45904");
script_name(english:"Linux Distros Unpatched Vulnerability : CVE-2026-45904");
script_set_attribute(attribute:"synopsis", value:
"The Linux/Unix host has one or more packages installed with a vulnerability that the vendor indicates will not be
patched.");
script_set_attribute(attribute:"description", value:
"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: powerpc/eeh: fix recursive
pci_lock_rescan_remove locking in EEH event handling The recent commit 1010b4c012b0 (powerpc/eeh: Make
EEH driver device hotplug safe) restructured the EEH driver to improve synchronization with the PCI
hotplug layer. However, it inadvertently moved pci_lock_rescan_remove() outside its intended scope in
eeh_handle_normal_event(), leading to broken PCI error reporting and improper EEH event triggering.
Specifically, eeh_handle_normal_event() acquired pci_lock_rescan_remove() before calling eeh_pe_bus_get(),
but eeh_pe_bus_get() itself attempts to acquire the same lock internally, causing nested locking and
disrupting normal EEH event handling paths. This patch adds a boolean parameter do_lock to
_eeh_pe_bus_get(), with two public wrappers: eeh_pe_bus_get() with locking enabled.
eeh_pe_bus_get_nolock() that skips locking. Callers that already hold pci_lock_rescan_remove() now use
eeh_pe_bus_get_nolock() to avoid recursive lock acquisition. Additionally, pci_lock_rescan_remove() calls
are restored to the correct positionafter eeh_pe_bus_get() and immediately before iterating affected PEs
and devices. This ensures EEH-triggered PCI removes occur under proper bus rescan locking without
recursive lock contention. The eeh_pe_loc_get() function has been split into two functions:
eeh_pe_loc_get(struct eeh_pe *pe) which retrieves the loc for given PE. eeh_pe_loc_get_bus(struct pci_bus
*bus) which retrieves the location code for given bus. This resolves lockdep warnings such as: <snip> [
84.964298] [ T928] ============================================ [ 84.964304] [ T928] WARNING: possible
recursive locking detected [ 84.964311] [ T928] 6.18.0-rc3 #51 Not tainted [ 84.964315] [ T928]
-------------------------------------------- [ 84.964320] [ T928] eehd/928 is trying to acquire lock: [
84.964324] [ T928] c000000003b29d58 (pci_rescan_remove_lock){+.+.}-{3:3}, at:
pci_lock_rescan_remove+0x28/0x40 [ 84.964342] [ T928] but task is already holding lock: [ 84.964347] [
T928] c000000003b29d58 (pci_rescan_remove_lock){+.+.}-{3:3}, at: pci_lock_rescan_remove+0x28/0x40 [
84.964357] [ T928] other info that might help us debug this: [ 84.964363] [ T928] Possible unsafe locking
scenario: [ 84.964367] [ T928] CPU0 [ 84.964370] [ T928] ---- [ 84.964373] [ T928]
lock(pci_rescan_remove_lock); [ 84.964378] [ T928] lock(pci_rescan_remove_lock); [ 84.964383] [ T928] ***
DEADLOCK *** [ 84.964388] [ T928] May be due to missing lock nesting notation [ 84.964393] [ T928] 1 lock
held by eehd/928: [ 84.964397] [ T928] #0: c000000003b29d58 (pci_rescan_remove_lock){+.+.}-{3:3}, at:
pci_lock_rescan_remove+0x28/0x40 [ 84.964408] [ T928] stack backtrace: [ 84.964414] [ T928] CPU: 2 UID: 0
PID: 928 Comm: eehd Not tainted 6.18.0-rc3 #51 VOLUNTARY [ 84.964417] [ T928] Hardware name: IBM,9080-HEX
POWER10 (architected) 0x800200 0xf000006 of:IBM,FW1060.00 (NH1060_022) hv:phyp pSeries [ 84.964419] [
T928] Call Trace: [ 84.964420] [ T928] [c0000011a7157990] [c000000001705de4] dump_stack_lvl+0xc8/0x130
(unreliable) [ 84.964424] [ T928] [c0000011a71579d0] [c0000000002f66e0] print_deadlock_bug+0x430/0x440 [
84.964428] [ T928] [c0000011a7157a70] [c0000000002fd0c0] __lock_acquire+0x1530/0x2d80 [ 84.964431] [ T928]
[c0000011a7157ba0] [c0000000002fea54] lock_acquire+0x144/0x410 [ 84.964433] [ T928] [c0000011a7157cb0]
[c0000011a7157cb0] __mutex_lock+0xf4/0x1050 [ 84.964436] [ T928] [c0000011a7157e00] [c000000000de21d8]
pci_lock_rescan_remove+0x28/0x40 [ 84.964439] [ T928] [c0000011a7157e20] [c00000000004ed98]
eeh_pe_bus_get+0x48/0xc0 [ 84.964442] [ T928] [c0000011a7157e50] [c00000 ---truncated--- (CVE-2026-45904)
Note that Nessus relies on the presence of the package as reported by the vendor.");
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{"reference": "kernel-64k-debug-modules-extra"},
{"reference": "kernel-64k-debug-modules-internal"},
{"reference": "kernel-64k-debug-modules-partner"},
{"reference": "kernel-64k-devel"},
{"reference": "kernel-64k-devel-matched"},
{"reference": "kernel-64k-modules"},
{"reference": "kernel-64k-modules-core"},
{"reference": "kernel-64k-modules-extra"},
{"reference": "kernel-64k-modules-internal"},
{"reference": "kernel-64k-modules-partner"},
{"reference": "kernel-abi-stablelists"},
{"reference": "kernel-core"},
{"reference": "kernel-cross-headers"},
{"reference": "kernel-debug"},
{"reference": "kernel-debug-core"},
{"reference": "kernel-debug-devel"},
{"reference": "kernel-debug-devel-matched"},
{"reference": "kernel-debug-modules"},
{"reference": "kernel-debug-modules-core"},
{"reference": "kernel-debug-modules-extra"},
{"reference": "kernel-debug-modules-internal"},
{"reference": "kernel-debug-modules-partner"},
{"reference": "kernel-debug-uki-virt"},
{"reference": "kernel-debug-uki-virt-addons"},
{"reference": "kernel-devel"},
{"reference": "kernel-devel-matched"},
{"reference": "kernel-doc"},
{"reference": "kernel-headers"},
{"reference": "kernel-ipaclones-internal"},
{"reference": "kernel-modules"},
{"reference": "kernel-modules-core"},
{"reference": "kernel-modules-extra"},
{"reference": "kernel-modules-internal"},
{"reference": "kernel-modules-partner"},
{"reference": "kernel-rt"},
{"reference": "kernel-rt-64k"},
{"reference": "kernel-rt-64k-core"},
{"reference": "kernel-rt-64k-debug"},
{"reference": "kernel-rt-64k-debug-core"},
{"reference": "kernel-rt-64k-debug-devel"},
{"reference": "kernel-rt-64k-debug-devel-matched"},
{"reference": "kernel-rt-64k-debug-kvm"},
{"reference": "kernel-rt-64k-debug-modules"},
{"reference": "kernel-rt-64k-debug-modules-core"},
{"reference": "kernel-rt-64k-debug-modules-extra"},
{"reference": "kernel-rt-64k-debug-modules-internal"},
{"reference": "kernel-rt-64k-debug-modules-partner"},
{"reference": "kernel-rt-64k-devel"},
{"reference": "kernel-rt-64k-devel-matched"},
{"reference": "kernel-rt-64k-kvm"},
{"reference": "kernel-rt-64k-modules"},
{"reference": "kernel-rt-64k-modules-core"},
{"reference": "kernel-rt-64k-modules-extra"},
{"reference": "kernel-rt-64k-modules-internal"},
{"reference": "kernel-rt-64k-modules-partner"},
{"reference": "kernel-rt-core"},
{"reference": "kernel-rt-debug"},
{"reference": "kernel-rt-debug-core"},
{"reference": "kernel-rt-debug-devel"},
{"reference": "kernel-rt-debug-devel-matched"},
{"reference": "kernel-rt-debug-kvm"},
{"reference": "kernel-rt-debug-modules"},
{"reference": "kernel-rt-debug-modules-core"},
{"reference": "kernel-rt-debug-modules-extra"},
{"reference": "kernel-rt-debug-modules-internal"},
{"reference": "kernel-rt-debug-modules-partner"},
{"reference": "kernel-rt-devel"},
{"reference": "kernel-rt-devel-matched"},
{"reference": "kernel-rt-kvm"},
{"reference": "kernel-rt-modules"},
{"reference": "kernel-rt-modules-core"},
{"reference": "kernel-rt-modules-extra"},
{"reference": "kernel-rt-modules-internal"},
{"reference": "kernel-rt-modules-partner"},
{"reference": "kernel-rt-selftests-internal"},
{"reference": "kernel-selftests-internal"},
{"reference": "kernel-tools"},
{"reference": "kernel-tools-libs"},
{"reference": "kernel-tools-libs-devel"},
{"reference": "kernel-uki-virt"},
{"reference": "kernel-uki-virt-addons"},
{"reference": "kernel-zfcpdump"},
{"reference": "kernel-zfcpdump-core"},
{"reference": "kernel-zfcpdump-devel"},
{"reference": "kernel-zfcpdump-devel-matched"},
{"reference": "kernel-zfcpdump-modules"},
{"reference": "kernel-zfcpdump-modules-core"},
{"reference": "kernel-zfcpdump-modules-extra"},
{"reference": "kernel-zfcpdump-modules-internal"},
{"reference": "kernel-zfcpdump-modules-partner"},
{"reference": "libperf"},
{"reference": "libperf-devel"},
{"reference": "perf"},
{"reference": "python3-perf"},
{"reference": "rtla"},
{"reference": "rv"}
]
}
]
}
};
var distro_constraints_values = linux_unpatched::get_distro_constraints(distro_constraints_arr:distro_constraints_array);
if (empty_or_null(distro_constraints_values)) audit(AUDIT_HOST_NOT, 'affected');
var report = linux_unpatched::check_unpatched_constraints(distro_constraints_values:distro_constraints_values);
if (!empty_or_null(report))
{
security_report_v4(
port : 0,
severity : SECURITY_WARNING,
extra : report
);
exit(0);
}
else
{
audit(AUDIT_HOST_NOT, 'affected');
}
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