This bug was fixed in the package linux-azure-5.8 -
5.8.0-1043.46~20.04.1
---------------
linux-azure-5.8 (5.8.0-1043.46~20.04.1) focal; urgency=medium
* focal/linux-azure-5.8: 5.8.0-1043.46~20.04.1 -proposed tracker
(LP: #1944902)
* Support builtin revoked certificates (LP: #1932029)
- [Config] Configure CONFIG_SYSTEM_REVOCATION_KEYS with revoked keys
[ Ubuntu: 5.8.0-66.74 ]
* focal/linux-hwe-5.8: 5.8.0-66.74 -proposed tracker (LP: #1944903)
* Packaging resync (LP: #1786013)
- debian/dkms-versions -- update from kernel-versions (main/2021.09.27)
* linux: btrfs: fix NULL pointer dereference when deleting device by invalid
id (LP: #1945987)
- btrfs: fix NULL pointer dereference when deleting device by invalid id
* CVE-2021-38199
- NFSv4: Initialise connection to the server in nfs4_alloc_client()
* BCM57800 SRIOV bug causes interfaces to disappear (LP: #1945707)
- bnx2x: Fix enabling network interfaces without VFs
* CVE-2021-3759
- memcg: enable accounting of ipc resources
* CVE-2019-19449
- f2fs: fix wrong total_sections check and fsmeta check
- f2fs: fix to do sanity check on segment/section count
* Support builtin revoked certificates (LP: #1932029)
- Revert "UBUNTU: SAUCE: Dump stack when X.509 certificates cannot be
loaded"
- integrity: Move import of MokListRT certs to a separate routine
- integrity: Load certs from the EFI MOK config table
- certs: Add EFI_CERT_X509_GUID support for dbx entries
- certs: Move load_system_certificate_list to a common function
- certs: Add ability to preload revocation certs
- integrity: Load mokx variables into the blacklist keyring
- certs: add 'x509_revocation_list' to gitignore
- SAUCE: Dump stack when X.509 certificates cannot be loaded
- [Packaging] build canonical-revoked-certs.pem from branch/arch certs
- [Packaging] Revoke 2012 UEFI signing certificate as built-in
- [Config] Configure CONFIG_SYSTEM_REVOCATION_KEYS with revoked keys
* Support importing mokx keys into revocation list from the mok table
(LP: #1928679)
- efi: Support for MOK variable config table
- efi: mokvar-table: fix some issues in new code
- efi: mokvar: add missing include of asm/early_ioremap.h
- efi/mokvar: Reserve the table only if it is in boot services data
- SAUCE: integrity: add informational messages when revoking certs
* Support importing mokx keys into revocation list from the mok table
(LP: #1928679) // CVE-2020-26541 when certificates are revoked via
MokListXRT.
- SAUCE: integrity: Load mokx certs from the EFI MOK config table
* CVE-2020-36311
- KVM: SVM: Periodically schedule when unregistering regions on destroy
* CVE-2021-22543
- KVM: do not allow mapping valid but non-reference-counted pages
* CVE-2021-3612
- Input: joydev - prevent use of not validated data in JSIOCSBTNMAP ioctl
* CVE-2021-38207
- net: ll_temac: Fix TX BD buffer overwrite
* CVE-2021-40490
- ext4: fix race writing to an inline_data file while its xattrs are
changing
* LRMv5: switch primary version handling to kernel-versions data set
(LP: #1928921)
- [Packaging] switch to kernel-versions
-- Marcelo Henrique Cerri <[email protected]> Thu, 07 Oct
2021 09:39:35 -0300
** Changed in: linux-azure-5.8 (Ubuntu Focal)
Status: In Progress => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2019-19449
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-26541
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2020-36311
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-22543
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3612
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3759
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-38199
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-38207
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-40490
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https://bugs.launchpad.net/bugs/1945987
Title:
linux: btrfs: fix NULL pointer dereference when deleting device by
invalid id
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