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gcc 4.3.x does not generate a cld instruction while compiling functions used for string manipulation such as memcpy and memmove on x86 and i386, which can prevent the direction flag (DF) from being reset in violation of ABI conventions and cause data to be copied in the wrong direction during signal handling in the Linux kernel, which might allow context-dependent attackers to trigger memory corruption. NOTE: this issue was originally reported for CPU consumption in SBCL.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Centos_linux | — | Upgrade kernelUpgrade kernel-develUpgrade kernel-docUpgrade kernel-xen-develUpgrade kernel-xenUpgrade kernel-debugUpgrade kernel-PAEUpgrade kernel-debug-develUpgrade kernel-PAE-develUpgrade kernel-headers | Dec 1, 2016 | Mar 17, 2008 |
| Debian | — | Upgrade glibc | Jul 30, 2024 | Mar 17, 2008 |
| Oracle_linux | — | Upgrade kernel | Oct 16, 2024 | Mar 17, 2008 |
| Suse | — | Upgrade kernel-s390Upgrade kernel-s390-debugUpgrade kernel-iseries64Upgrade kernel-umUpgrade kernel-pmac64Upgrade kernel-bigsmpUpgrade kernel-debugUpgrade kernel-xenUpgrade kernel-s390x-debugUpgrade kernel-symsUpgrade um-host-install-initrdUpgrade kernel-kdumpUpgrade kernel-sn2Upgrade kernel-sourceUpgrade kernel-s390xUpgrade kernel-xenpaeUpgrade suse-releaseUpgrade um-host-kernelUpgrade kernel-pseries64Upgrade kernel-defaultUpgrade kernel-64k-pagesizeUpgrade kernel-ppc64Upgrade kernel-smp | Feb 17, 2015 | Mar 17, 2008 |
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