# Stack clashing systemd aka “System Down”

**URL:** <https://forums.suse.com/t/stack-clashing-systemd-aka-a-system-downa/33383>\
**Category:** SUSE News\
**Created:** [January 10, 2019, 7:25pm UTC](https://forums.suse.com/t/stack-clashing-systemd-aka-a-system-downa/33383 "2019-01-10T19:25:13Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![InTheNews](https://avatars.discourse-cdn.com/v4/letter/i/65b543/32.png) [@InTheNews](https://forums.suse.com/u/InTheNews)\
**Post date:** [January 10, 2019, 7:25pm UTC](https://forums.suse.com/t/stack-clashing-systemd-aka-a-system-downa/33383/1 "2019-01-10T19:25:13Z")

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Stack clashing systemd aka “System Down”

One and a half year ago the security research company Qualys reported a new attack class against common operating systems called “Stack Clash”. We documented this in our TID 7020973. The core security problem is that variable sized stack allocations could be used to overwrite heap memory as stack and heap grow towards each other […]  
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