vulnerability
Ubuntu: (CVE-2020-13844): gcc-9 vulnerability
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 2 | (AV:L/AC:L/Au:N/C:P/I:N/A:N) | Jun 8, 2020 | Nov 19, 2024 | Aug 19, 2025 |
Severity
2
CVSS
(AV:L/AC:L/Au:N/C:P/I:N/A:N)
Published
Jun 8, 2020
Added
Nov 19, 2024
Modified
Aug 19, 2025
Description
Arm Armv8-A core implementations utilizing speculative execution past unconditional changes in control flow may allow unauthorized disclosure of information to an attacker with local user access via a side-channel analysis, aka "straight-line speculation."
Solutions
ubuntu-upgrade-gcc-10ubuntu-upgrade-gcc-9ubuntu-upgrade-gcc-9-cross
References
- CVE-2020-13844
- https://attackerkb.com/topics/CVE-2020-13844
- CWE-203
- URL-http://lists.llvm.org/pipermail/llvm-dev/2020-June/142109.html
- URL-https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability
- URL-https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/downloads/straight-line-speculation
- URL-https://developer.arm.com/support/arm-security-updates/speculative-processor-vulnerability/frequently-asked-questions
- URL-https://gcc.gnu.org/pipermail/gcc-patches/2020-June/547520.html
- URL-https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=679db70801da9fda91d26caf13bf5b5ccc74e8e8
- URL-https://www.cve.org/CVERecord?id=CVE-2020-13844
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