CVE-2022-50087
firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: total
Summary
In the Linux kernel, the following vulnerability has been resolved: firmware: arm_scpi: Ensure scpi_info is not assigned if the probe fails When scpi probe fails, at any point, we need to ensure that the scpi_info is not set and will remain NULL until the probe succeeds. If it is not taken care, then it could result use-after-free as the value is exported via get_scpi_ops() and could refer to a memory allocated via devm_kzalloc() but freed when the probe fails.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: total
- Record last updated
Affected versions
- Linux Linux
Version range not reported
- Linux Linux
4.4
References 7
git.kernel.org
- stable/c/5aa558232edc30468d1f35108826dd5b3ffe978f
- stable/c/18048cba444a7c41dbf42c180d6b46606fc24c51
- stable/c/08272646cd7c310642c39b7f54348fddd7987643
- stable/c/0c29e149b6bb498778ed8a1c9597b51acfba7856
- stable/c/87c4896d5dd7fd9927c814cf3c6289f41de3b562
- stable/c/4f2d7b46d6b53c07f44a4f8f8f4438888f0e9e87
- stable/c/689640efc0a2c4e07e6f88affe6d42cd40cc3f85