This bug was fixed in the package linux - 5.4.0-205.225
---------------
linux (5.4.0-205.225) focal; urgency=medium
* focal/linux: 5.4.0-205.225 -proposed tracker (LP: #2093621)
* Hold IOPOLL locks when triggering io_uring's deferred work (LP: #2078659) //
CVE-2023-21400
- io_uring: remove extra check in __io_commit_cqring
- io_uring: dont kill fasync under completion_lock
- io_uring: ensure IOPOLL locks around deferred work
* CVE-2024-40967
- iopoll: introduce read_poll_timeout macro
- iopoll: Introduce read_poll_timeout_atomic macro
- serial: imx: Introduce timeout when waiting on transmitter empty
* CVE-2024-53164
- net: sched: fix ordering of qlen adjustment
* CVE-2024-53141
- netfilter: ipset: add missing range check in bitmap_ip_uadt
* CVE-2024-53103
- hv_sock: Initializing vsk->trans to NULL to prevent a dangling pointer
-- Manuel Diewald <manuel.diew...@canonical.com> Fri, 10 Jan 2025
22:28:21 +0100
** Changed in: linux (Ubuntu Focal)
Status: In Progress => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2023-21400
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2024-40967
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2024-53103
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2024-53141
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2024-53164
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https://bugs.launchpad.net/bugs/2078659
Title:
Hold IOPOLL locks when triggering io_uring's deferred work
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