This bug was fixed in the package linux - 5.19.0-46.47
---------------
linux (5.19.0-46.47) kinetic; urgency=medium
* kinetic/linux: 5.19.0-46.47 -proposed tracker (LP: #2024043)
* Packaging resync (LP: #1786013)
- [Packaging] resync git-ubuntu-log
- [Packaging] resync getabis
* CVE-2023-2430
- io_uring/msg_ring: fix missing lock on overflow for IOPOLL
* cls_flower: off-by-one in fl_set_geneve_opt (LP: #2023577)
- net/sched: flower: fix possible OOB write in fl_set_geneve_opt()
* Some INVLPG implementations can leave Global translations unflushed when
PCIDs are enabled (LP: #2023220)
- x86/mm: Avoid incomplete Global INVLPG flushes
-- Thadeu Lima de Souza Cascardo <casca...@canonical.com> Fri, 16 Jun
2023 09:36:59 -0300
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https://bugs.launchpad.net/bugs/2023577
Title:
cls_flower: off-by-one in fl_set_geneve_opt
Status in linux package in Ubuntu:
Incomplete
Status in linux source package in Focal:
Fix Released
Status in linux source package in Jammy:
Fix Released
Status in linux source package in Kinetic:
Fix Released
Status in linux source package in Lunar:
Fix Released
Bug description:
[Impact]
An unprivileged user may cause an out-of-bounds write by setting up geneve
options on the flower classifier.
[Test case]
https://seclists.org/oss-sec/2023/q2/219
[Potential regression]
Users setting up geneve options on the flower tc classifier can be affected.
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