CVE-2022-48730
MediumIn the Linux kernel, the following vulnerability has been resolved: dma-buf: heaps: Fix potential spectre v1 gadget It appears like nr could be a Spectre v1 gadget as it's supplied by a user and used as an array index. Prevent the contents of kernel memory from being leaked to userspace via speculative execution by using array_index_nospec. [sumits: added fixes and cc: stable tags]
CVSS 3.1 score
5.5
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N
Weakness type
CWE-203CVE-2022-48730 is classified as CWE-203
See CWE-203 on MITRE CWE for full details on this weakness type.
Affected versions
Linux kernel versions
5.6
and later are affected. Fixed in
5.10.99,
5.15.22,
5.16.8,
5.17
and their respective stable series.
References
4 total-
Patch
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Patch
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Patch
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Patch
Frequently asked questions
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What is CVE-2022-48730?
CVE-2022-48730 is a Medium severity Linux kernel vulnerability with a CVSS score of 5.5 out of 10 . It affects Linux kernel versions from 5.6 onward and has been patched in 5.10.99, 5.15.22, 5.16.8 and others. CVE-2022-48730 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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What is the CVSS score for CVE-2022-48730?
CVE-2022-48730 has a CVSS score of 5.5 out of 10, rated Medium severity (CVSS 3.1). The vector string is
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N. -
Is there a patch available for CVE-2022-48730?
Yes. CVE-2022-48730 has been patched. Fixed versions include 5.10.99, 5.15.22, 5.16.8 and others. If you are running Linux kernel 5.6 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2022-48730 actively exploited?
No. CVE-2022-48730 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.