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7.6
Red Hat Linux Kernel Security Update: Unauthenticated Remote Code Execution Risk
published 9 months ago
Summary
A security update is available for the Linux kernel used by Red Hat systems. This update fixes a vulnerability that could allow an attacker to execute code on the system without a password. Updating the kernel is recommended to prevent unauthorized access and potential security breaches.
What to do
- Update redhat bpftool to version 0:3.10.0-1160.146.1.el7.
- Update redhat bpftool-debuginfo to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-abi-whitelists to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-bootwrapper to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-debug to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-debug-debuginfo to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-debug-devel to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-debuginfo to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-debuginfo-common-ppc64 to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-debuginfo-common-ppc64le to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-debuginfo-common-s390x to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-debuginfo-common-x86_64 to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-devel to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-doc to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-kdump to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-kdump-debuginfo to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-kdump-devel to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-tools to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-tools-debuginfo to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-tools-libs to version 0:3.10.0-1160.146.1.el7.
- Update redhat kernel-tools-libs-devel to version 0:3.10.0-1160.146.1.el7.
- Update redhat perf to version 0:3.10.0-1160.146.1.el7.
- Update redhat perf-debuginfo to version 0:3.10.0-1160.146.1.el7.
- Update redhat python-perf to version 0:3.10.0-1160.146.1.el7.
- Update redhat python-perf-debuginfo to version 0:3.10.0-1160.146.1.el7.
Affected software
| Ecosystem | Vendor | Product | Affected versions |
|---|---|---|---|
| Red Hat:rhel_els:7 | redhat | bpftool |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | bpftool-debuginfo |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-abi-whitelists |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-bootwrapper |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-debug |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-debug-debuginfo |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-debug-devel |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-debuginfo |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-debuginfo-common-ppc64 |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-debuginfo-common-ppc64le |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-debuginfo-common-s390x |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-debuginfo-common-x86_64 |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-devel |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-doc |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-kdump |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-kdump-debuginfo |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-kdump-devel |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-tools |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-tools-debuginfo |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-tools-libs |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | kernel-tools-libs-devel |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | perf |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | perf-debuginfo |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | python-perf |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
| Red Hat:rhel_els:7 | redhat | python-perf-debuginfo |
< 0:3.10.0-1160.146.1.el7 Fix: upgrade to 0:3.10.0-1160.146.1.el7
|
Original advisory text
Red Hat Security Advisory: kernel security update
References
- https://access.redhat.com/errata/RHSA-2026:1581 Vendor Advisory
- https://access.redhat.com/security/updates/classification/#important Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2400598 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2404108 Third Party Advisory
- https://bugzilla.redhat.com/show_bug.cgi?id=2418872 Third Party Advisory
- https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_1581.j... Vendor Advisory
- https://access.redhat.com/security/cve/CVE-2025-39898 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-39898 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-39898 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025100116-CVE-2025-39898-d844@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2025-39971 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-39971 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-39971 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025101556-CVE-2025-39971-97e2@gregkh... Third Party Advisory
- https://access.redhat.com/security/cve/CVE-2025-40248 Third Party Advisory
- https://www.cve.org/CVERecord?id=CVE-2025-40248 Vendor Advisory
- https://nvd.nist.gov/vuln/detail/CVE-2025-40248 Vendor Advisory
- https://lore.kernel.org/linux-cve-announce/2025120430-CVE-2025-40248-506e@gregkh... Third Party Advisory
Internet-facing
60 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker partial control (estimated)
Timeline
Published30 Jan 2026
Updated6 Mar 2026
First seen6 Mar 2026
Sources
RHSA-2026:1581 · OSV
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