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kernel: signal: Prevent exec() race

🗓️ 19 Oct 2026 22:09:17Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 3 Views

Use-after-free in Linux kernel signal handling allows local privilege escalation or DoS.

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Refs
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githubexploit
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Exploit for CVE-2026-98256
18 Oct 202623:33
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Exploit for CVE-2026-98256
18 Oct 202613:02
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circl
Circl
CVE-2026-98256
16 Oct 202622:09
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CVE-2026-98256
6 Oct 202608:45
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CVE-2026-98256 signal: Prevent exec() race
6 Oct 202608:45
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debiancve
Debian CVE
CVE-2026-98256
6 Oct 202608:45
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euvd
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EUVD-2026-93184
6 Oct 202608:45
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nvd
NVD
CVE-2026-98256
6 Oct 202609:18
–nvd
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BELL-CVE-2026-98256
9 Oct 202606:09
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osv_debian
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DEBIAN-CVE-2026-98256
6 Oct 202609:18
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OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux10.2aarch64kernel6.12.0-211.67.1.el10_2kernel-6.12.0-211.67.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2ppc64lekernel6.12.0-211.67.1.el10_2kernel-6.12.0-211.67.1.el10_2.ppc64le.rpm
Red Hat Enterprise Linux10.2s390xkernel6.12.0-211.67.1.el10_2kernel-6.12.0-211.67.1.el10_2.s390x.rpm
Red Hat Enterprise Linux10.2x86_64kernel6.12.0-211.67.1.el10_2kernel-6.12.0-211.67.1.el10_2.x86_64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k6.12.0-211.67.1.el10_2kernel-64k-6.12.0-211.67.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-core6.12.0-211.67.1.el10_2kernel-64k-core-6.12.0-211.67.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-debug6.12.0-211.67.1.el10_2kernel-64k-debug-6.12.0-211.67.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-debug-core6.12.0-211.67.1.el10_2kernel-64k-debug-core-6.12.0-211.67.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-debug-debuginfo6.12.0-211.67.1.el10_2kernel-64k-debug-debuginfo-6.12.0-211.67.1.el10_2.aarch64.rpm
Red Hat Enterprise Linux10.2aarch64kernel-64k-debug-devel6.12.0-211.67.1.el10_2kernel-64k-debug-devel-6.12.0-211.67.1.el10_2.aarch64.rpm
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20 Oct 2026 23:29Current
6.1Medium risk
Vulners AI Score6.1
CVSS 3.17.8
EPSS0.00133
3