This bug was fixed in the package linux-gcp - 5.8.0-1031.32
---------------
linux-gcp (5.8.0-1031.32) groovy; urgency=medium
[ Ubuntu: 5.8.0-53.60 ]
* CVE-2021-3491
- io_uring: fix provide_buffers sign extension
- io_uring: fix overflows checks in provide buffers
- SAUCE: proc: Avoid mixing integer types in mem_rw()
- SAUCE: io_uring: truncate lengths larger than MAX_RW_COUNT on provide
buffers
* CVE-2021-3490
- bpf: Fix a verifier failure with xor
- SAUCE: bpf: verifier: fix ALU32 bounds tracking with bitwise ops
* CVE-2021-3489
- SAUCE: bpf: ringbuf: deny reserve of buffers larger than ringbuf
- SAUCE: bpf: prevent writable memory-mapping of read-only ringbuf pages
-- Stefan Bader <[email protected]> Thu, 06 May 2021 10:32:39
+0200
** Changed in: linux-gcp (Ubuntu Groovy)
Status: Fix Committed => Fix Released
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3489
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3490
** CVE added: https://cve.mitre.org/cgi-bin/cvename.cgi?name=2021-3491
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https://bugs.launchpad.net/bugs/1925241
Title:
Disable CONFIG_DELL_SMBIOS_SMM, CONFIG_DELL_UART_BACKLIGHT,
CONFIG_I2C_AMD_MP2
Status in linux package in Ubuntu:
Invalid
Status in linux-gcp package in Ubuntu:
In Progress
Status in linux-gcp-5.8 package in Ubuntu:
Invalid
Status in linux source package in Focal:
Invalid
Status in linux-gcp source package in Focal:
Invalid
Status in linux-gcp-5.8 source package in Focal:
In Progress
Status in linux source package in Groovy:
Invalid
Status in linux-gcp source package in Groovy:
Fix Released
Status in linux-gcp-5.8 source package in Groovy:
Invalid
Status in linux source package in Hirsute:
Invalid
Status in linux-gcp source package in Hirsute:
In Progress
Status in linux-gcp-5.8 source package in Hirsute:
Invalid
Bug description:
SRU Justification:
Enforcement annotations indicate that these config options should
never have been set.
[Impact]
Disable these options for hardware that does not exist in the Google
cloud fabric. There should be no impact to existing users.
[Fix]
CONFIG_DELL_SMBIOS_SMM=n
CONFIG_DELL_UART_BACKLIGHT=n
CONFIG_I2C_AMD_MP2=n
[Test Plan]
Boot a GCP instance and ensure there are no new kernel log errors.
[Where problems could occur]
Regression potential should be low since this HW does not exists in a
GCP guest instance.
[Other Info]
To manage notifications about this bug go to:
https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1925241/+subscriptions
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