[UBUNTU 23.10] s390x: clone clobbers r7
| Affects | Status | Importance | Assigned to | Milestone | |
|---|---|---|---|---|---|
| Ubuntu on IBM z Systems |
Fix Released
|
Medium
|
Skipper Bug Screeners | ||
| glibc (Ubuntu) |
Fix Released
|
High
|
Unassigned | ||
| Mantic |
Won't Fix
|
Undecided
|
Unassigned | ||
| Noble |
Fix Released
|
High
|
Unassigned | ||
Bug Description
=== Description by <email address hidden> ==
On s390x, if clone is called with NULL for child-function or stack argument, then r7 is clobbered. This bug is needed for glibc 2.37, 2.38, 2.39. Please pick the committed bugfix.
See
- glibc bugzilla:
Bug 31402 - clone (NULL, NULL, ...) clobbers %r7 register on s390{,x}
https:/
- glibc-commit on master:
S390: Do not clobber r7 in clone [BZ #31402]
https:/
- glibc-commit on release/
https:/
- glibc-commit on release/
https:/
- glibc-commit on release/
https:/
CVE References
| tags: | added: architecture-s3903164 bugnameltc-205731 severity-medium targetmilestone-inin--- |
| Changed in ubuntu: | |
| assignee: | nobody → Skipper Bug Screeners (skipper-screen-team) |
| affects: | ubuntu → linux (Ubuntu) |
| affects: | linux (Ubuntu) → glibc (Ubuntu) |
| Changed in ubuntu-z-systems: | |
| assignee: | nobody → Skipper Bug Screeners (skipper-screen-team) |
| Changed in glibc (Ubuntu): | |
| assignee: | Skipper Bug Screeners (skipper-screen-team) → nobody |
| Changed in ubuntu-z-systems: | |
| importance: | Undecided → Medium |
| tags: | added: rls-mm-incoming rls-nn-incoming |
| tags: |
added: foundations-todo removed: rls-mm-incoming rls-nn-incoming |
| Simon Chopin (schopin) wrote | #2 |
| Changed in glibc (Ubuntu Mantic): | |
| status: | New → Won't Fix |
| Changed in glibc (Ubuntu Noble): | |
| status: | New → Triaged |
| importance: | Undecided → High |
| Changed in ubuntu-z-systems: | |
| status: | New → Triaged |
| Changed in glibc (Ubuntu Noble): | |
| status: | Triaged → Fix Committed |
| Changed in ubuntu-z-systems: | |
| status: | Triaged → Fix Committed |
| Launchpad Janitor (janitor) wrote | #3 |
| Changed in glibc (Ubuntu Noble): | |
| status: | Fix Committed → Fix Released |
| Changed in ubuntu-z-systems: | |
| status: | Fix Committed → Fix Released |
| bugproxy (bugproxy) wrote Comment bridged from LTC Bugzilla | #4 |
| tags: |
added: targetmilestone-inin2404 removed: targetmilestone-inin--- |
| bugproxy (bugproxy) wrote | #5 |
Since the current glibc situation in Ubuntu is like this:
libc6 | 2.35-0ubuntu3 | jammy | amd64, arm64, armhf, i386, ppc64el, riscv64, s390x
libc6 | 2.35-0ubuntu3.6 | jammy-security | amd64, arm64, armhf, i386, ppc64el, riscv64, s390x
libc6 | 2.35-0ubuntu3.6 | jammy-updates | amd64, arm64, armhf, i386, ppc64el, riscv64, s390x
libc6 | 2.38-1ubuntu6 | mantic | amd64, arm64, armhf, i386, ppc64el, riscv64, s390x
libc6 | 2.38-1ubuntu6.1 | mantic-security | amd64, arm64, armhf, i386, ppc64el, riscv64, s390x
libc6 | 2.38-1ubuntu6.1 | mantic-updates | amd64, arm64, armhf, i386, ppc64el, riscv64, s390x
libc6 | 2.39-0ubuntu2 | noble | amd64, arm64, armhf, i386, ppc64el, riscv64, s390x
it will affect Ubuntu 23.10 and 24.04 - marking those as target series.