Linux Distros Unpatched Vulnerability : CVE-2026-98361
| Reporter | Title | Published | Views | Family All 249 |
|---|---|---|---|---|
 | MTaquitous-analysis | 8 Sep 202606:06 | – | githubexploit |
| Exploit for Race Condition in Linux Linux_Kernel | 24 Aug 202605:13 | – | githubexploit |
| Exploit for Race Condition in Linux Linux_Kernel | 30 Jul 202415:54 | – | githubexploit |
 | CVE-2022-2590 | 31 Aug 202216:15 | – | attackerkb |
 | Astra Linux – Vulnerability in Linux 5.10 | 20 May 202605:53 | – | astralinux |
 | Linux kernel Privilege Escalation | 12 Aug 202200:00 | – | bdu_fstec |
 | CentOS 9 : kernel-5.14.0-347.el9 | 29 Feb 202400:00 | – | nessus |
| Rocky Linux 9.2 [CIQ] Security Update: bpftool / bpftool-debuginfo / kernel / kernel-64k / kernel-64k-core / etc Multiple Vulnerabilities (ciqsa-2026_0438) | 1 Oct 202600:00 | – | nessus |
| NewStart CGSL MAIN 6.06 : kernel Multiple Vulnerabilities (NS-SA-2023-0142) | 9 Nov 202300:00 | – | nessus |
| Ubuntu 22.04 LTS : Linux kernel (OEM) vulnerabilities (USN-6071-1) | 14 May 202300:00 | – | nessus |
10
| Source | Link |
|---|---|
| ubuntu | www.ubuntu.com/security/CVE-2026-98361 |
| cve | www.cve.mitre.org/cgi-bin/cvename.cgi |
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- RDMA/rxe: Restore HMM_PFN_WRITE check in ODP write paths Commit 0b261d7c1cd3 (RDMA/rxe: Break endless
pagefault loop for RO pages) dropped the access permission test from rxe_check_pagefault() and left only
HMM_PFN_VALID. A page faulted in read-only, for example a page-cache folio behind a PROT_READ file
mapping, then satisfies the check and ODP write operations (RDMA WRITE, RDMA READ response, SEND payload,
atomics) modify it through kmap without ever breaking CoW. An unprivileged user can register an ODP MR
over such a mapping and have incoming RDMA traffic overwrite the page cache of a file it only holds
O_RDONLY, including /etc/passwd or setuid binaries. This is the same primitive class as Dirty COW and
CVE-2022-2590. mlx5 has the missing invariant: its ODP path sets the device write bit only for pfns that
carry HMM_PFN_WRITE. Restore it in rxe by requiring HMM_PFN_WRITE in rxe_check_pagefault() for every
operation except RXE_PAGEFAULT_RDONLY. A write to a non-writable VMA now fails the one fault attempt with
-EPERM from hmm_vma_fault() instead of re-faulting forever. For a writable VMA the fault breaks CoW and
the write lands in the private page. Keep pmem flushes on the read-only check. arch_wb_cache_pmem() never
modifies memory, and the FLUSH access bits do not make the umem writable, so classifying flushes as writes
would make every flush against a flush-only MR fail. (CVE-2026-98361)
Note that Nessus relies on the presence of the package as reported by the vendor.");
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{"reference": "linux-headers-5.15.0"},
{"reference": "linux-headers-5.17.0"},
{"reference": "linux-hwe-5.19"},
{"reference": "linux-hwe-6.2"},
{"reference": "linux-hwe-6.5"},
{"reference": "linux-image-5.15.0"},
{"reference": "linux-image-unsigned-5.17.0"},
{"reference": "linux-intel-iot-realtime"},
{"reference": "linux-lowlatency-hwe-5.19"},
{"reference": "linux-lowlatency-hwe-6.2"},
{"reference": "linux-lowlatency-hwe-6.5"},
{"reference": "linux-modules-5.15.0"},
{"reference": "linux-modules-5.17.0"},
{"reference": "linux-modules-extra-5.15.0"},
{"reference": "linux-modules-extra-5.17.0"},
{"reference": "linux-nvidia-6.2"},
{"reference": "linux-nvidia-6.5"},
{"reference": "linux-oem-5.17-headers-5.17.0"},
{"reference": "linux-oem-5.17-tools-5.17.0"},
{"reference": "linux-oem-5.17-tools-host"},
{"reference": "linux-oem-6.0"},
{"reference": "linux-oem-6.1"},
{"reference": "linux-oem-6.5"},
{"reference": "linux-oracle-6.5"},
{"reference": "linux-realtime"},
{"reference": "linux-riscv-5.19"},
{"reference": "linux-riscv-6.5"},
{"reference": "linux-riscv-headers-5.15.0"},
{"reference": "linux-riscv-tools-5.15.0"},
{"reference": "linux-starfive-5.19"},
{"reference": "linux-starfive-6.2"},
{"reference": "linux-starfive-6.5"},
{"reference": "linux-tools-5.15.0"},
{"reference": "linux-tools-5.17.0"}
]
}
]
},
"Ubuntu Linux-24.04": {
"package_manager": "dpkg-l",
"constraints": [
{
"release": "24.04",
"pkgs": [
{"reference": "linux-aws-6.14"},
{"reference": "linux-aws-6.17"},
{"reference": "linux-aws-7.0"},
{"reference": "linux-azure-6.11"},
{"reference": "linux-azure-6.14"},
{"reference": "linux-azure-6.17"},
{"reference": "linux-azure-7.0"},
{"reference": "linux-azure-fde-6.14"},
{"reference": "linux-azure-fde-6.17"},
{"reference": "linux-azure-fde-7.0"},
{"reference": "linux-azure-nvidia-6.14"},
{"reference": "linux-buildinfo-6.8.0"},
{"reference": "linux-cloud-tools-6.8.0"},
{"reference": "linux-gcp-6.11"},
{"reference": "linux-gcp-6.14"},
{"reference": "linux-gcp-6.17"},
{"reference": "linux-gcp-7.0"},
{"reference": "linux-headers-6.8.0"},
{"reference": "linux-hwe-6.11"},
{"reference": "linux-hwe-6.14"},
{"reference": "linux-hwe-6.17"},
{"reference": "linux-hwe-7.0"},
{"reference": "linux-image-6.8.0"},
{"reference": "linux-image-unsigned-6.8.0"},
{"reference": "linux-lowlatency-hwe-6.11"},
{"reference": "linux-modules-6.8.0"},
{"reference": "linux-modules-extra-6.8.0"},
{"reference": "linux-modules-ipu6-6.8.0"},
{"reference": "linux-modules-iwlwifi-6.8.0"},
{"reference": "linux-nvidia-6.11"},
{"reference": "linux-nvidia-6.17"},
{"reference": "linux-nvidia-7.0"},
{"reference": "linux-oem-6.11"},
{"reference": "linux-oem-6.14"},
{"reference": "linux-oem-6.17"},
{"reference": "linux-oem-6.8-headers-6.8.0"},
{"reference": "linux-oem-6.8-lib-rust-6.8.0"},
{"reference": "linux-oem-6.8-tools-6.8.0"},
{"reference": "linux-oracle-6.14"},
{"reference": "linux-oracle-6.17"},
{"reference": "linux-oracle-7.0"},
{"reference": "linux-raspi-realtime"},
{"reference": "linux-realtime"},
{"reference": "linux-riscv-6.14"},
{"reference": "linux-riscv-6.17"},
{"reference": "linux-riscv-7.0"},
{"reference": "linux-riscv-headers-6.8.0"},
{"reference": "linux-riscv-tools-6.8.0"},
{"reference": "linux-tools-6.8.0"}
]
}
]
},
"Ubuntu Linux-26.04": {
"package_manager": "dpkg-l",
"constraints": [
{
"release": "26.04",
"pkgs": [
{"reference": "bpftool"},
{"reference": "linux-aws-cloud-tools-7.0.0"},
{"reference": "linux-aws-headers-7.0.0"},
{"reference": "linux-aws-tools-7.0.0"},
{"reference": "linux-azure-cloud-tools-7.0.0"},
{"reference": "linux-azure-fde-cloud-tools-7.0.0"},
{"reference": "linux-azure-fde-headers-7.0.0"},
{"reference": "linux-azure-fde-tools-7.0.0"},
{"reference": "linux-azure-headers-7.0.0"},
{"reference": "linux-azure-tools-7.0.0"},
{"reference": "linux-bpf-dev"},
{"reference": "linux-buildinfo-7.0.0"},
{"reference": "linux-cloud-tools-7.0.0"},
{"reference": "linux-cloud-tools-common"},
{"reference": "linux-doc"},
{"reference": "linux-gcp-headers-7.0.0"},
{"reference": "linux-gcp-tools-7.0.0"},
{"reference": "linux-gke"},
{"reference": "linux-headers-7.0.0"},
{"reference": "linux-ibm-cloud-tools-7.0.0"},
{"reference": "linux-ibm-headers-7.0.0"},
{"reference": "linux-ibm-tools-7.0.0"},
{"reference": "linux-image-7.0.0"},
{"reference": "linux-image-unsigned-7.0.0"},
{"reference": "linux-lib-rust-7.0.0"},
{"reference": "linux-libc-dev"},
{"reference": "linux-modules-7.0.0"},
{"reference": "linux-modules-extra-7.0.0"},
{"reference": "linux-nvidia"},
{"reference": "linux-nvidia-bos"},
{"reference": "linux-oem-7.0"},
{"reference": "linux-oracle-headers-7.0.0"},
{"reference": "linux-oracle-tools-7.0.0"},
{"reference": "linux-perf"},
{"reference": "linux-raspi-headers-7.0.0"},
{"reference": "linux-raspi-tools-7.0.0"},
{"reference": "linux-realtime-cloud-tools-7.0.0"},
{"reference": "linux-realtime-headers-7.0.0"},
{"reference": "linux-realtime-tools-7.0.0"},
{"reference": "linux-riscv-headers-7.0.0"},
{"reference": "linux-riscv-tools-7.0.0"},
{"reference": "linux-source-7.0.0"},
{"reference": "linux-tools-7.0.0"},
{"reference": "linux-tools-common"},
{"reference": "linux-tools-host"},
{"reference": "linux-udebs-aws"},
{"reference": "linux-udebs-aws-64k"},
{"reference": "linux-udebs-azure"},
{"reference": "linux-udebs-azure-fde"}
]
}
]
}
};
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 third_party_support = get_kb_item('Host/OS/extended-third-party');
if (!empty_or_null(third_party_support)) {
var third_party_vendors = distro_constraints_values['third_party'];
if (!empty_or_null(third_party_vendors)) {
var vendor;
foreach vendor (third_party_vendors) {
if (vendor == third_party_support) exit(0, 'A third party management patch is available for this vulnerability from ' + vendor + '.\n');
}
}
}
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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09 Oct 2026 00:00Current
6.5Medium risk
Vulners AI Score6.5
CVSS 3.17 - 7.8
EPSS0.00942