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kernel: Stack overflow via ecryptfs and /proc/$pid/environ

🗓️ 28 Oct 2016 09:28:10Reported by RedHatType 
redhat
 redhat
🔗 access.redhat.com👁 2 Views

Kernel stack overflow when mounting ecryptfs over procfs via /proc/environ enables escalation

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Refs
OSOS VersionArchitecturePackagePackage VersionFilename
Red Hat Enterprise Linux5ia64kernel0:2.6.18-416.el5kernel-0:2.6.18-416.el5.ia64.rpm
Red Hat Enterprise Linux5ppc64kernel0:2.6.18-416.el5kernel-0:2.6.18-416.el5.ppc64.rpm
Red Hat Enterprise Linux5s390xkernel0:2.6.18-416.el5kernel-0:2.6.18-416.el5.s390x.rpm
Red Hat Enterprise Linux5x86_64kernel0:2.6.18-416.el5kernel-0:2.6.18-416.el5.x86_64.rpm
Red Hat Enterprise Linux5anykernel0:2.6.18-416.el5.i686kernel-0:2.6.18-416.el5.i686.noarch.rpm
Red Hat Enterprise Linux5anykernel-pae0:2.6.18-416.el5.i686kernel-PAE-0:2.6.18-416.el5.i686.noarch.rpm
Red Hat Enterprise Linux5anykernel-pae-debuginfo0:2.6.18-416.el5.i686kernel-PAE-debuginfo-0:2.6.18-416.el5.i686.noarch.rpm
Red Hat Enterprise Linux5anykernel-pae-devel0:2.6.18-416.el5.i686kernel-PAE-devel-0:2.6.18-416.el5.i686.noarch.rpm
Red Hat Enterprise Linux5ia64kernel-debug0:2.6.18-416.el5kernel-debug-0:2.6.18-416.el5.ia64.rpm
Red Hat Enterprise Linux5ppc64kernel-debug0:2.6.18-416.el5kernel-debug-0:2.6.18-416.el5.ppc64.rpm
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11 Apr 2026 22:06Current
7.1High risk
Vulners AI Score7.1
CVSS 27.2
CVSS 3.17.8
EPSS0.00372
2