[Bug 2048092] Re: [low-priority SRU] Fix CVE-2022-0563 in source
dann frazier
2048092 at bugs.launchpad.net
Tue Feb 6 03:00:18 UTC 2024
The remaining autopkgtest failures are due to the following unrelated
bugs:
cmake-extras/armhf: bug 2052360
livecd-rootfs/amd64: bug 2045586
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https://bugs.launchpad.net/bugs/2048092
Title:
[low-priority SRU] Fix CVE-2022-0563 in source
Status in util-linux package in Ubuntu:
Fix Released
Status in util-linux source package in Jammy:
Fix Committed
Status in util-linux source package in Lunar:
Fix Released
Status in util-linux source package in Mantic:
Fix Released
Status in util-linux source package in Noble:
Fix Released
Bug description:
[Impact]
We did not fix this CVE in Ubuntu because we do not build the impacted binaries (we use --disable-chfn-chsh). However, some users are known to build their own binaries from this Ubuntu source and therefore could be impacted.
[Test Plan]
Since there is no impact to Ubuntu binaries, there is no functional change to verify. Regression testing using the existing build-time tests and autopkgtests should suffice.
We should also verify that util-linux source builds fine w/ chfn and
chsh enabled after applying this patch - otherwise it is really
helping no one.
[Where problems could occur]
The upstream patch is clearly restricted to the chfn chsh binaries, which are not compiled by Ubuntu, so I don't see a risk there. I do see a risk that this is used as a precedent to fix other no-impact-to-Ubuntu security issues in other source - say, just to silence 3rd party security scanners. I do not intend to set such a precedent here, and suggest we consider them only on a case-by-case basis.
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