CVE-2021-47474
In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not assume that the tx and rx buffers are of equal size or a malicious device could…
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (0.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
In the Linux kernel, the following vulnerability has been resolved: comedi: vmk80xx: fix bulk-buffer overflow The driver is using endpoint-sized buffers but must not assume that the tx and rx buffers are of equal size or a malicious device could overflow the slab-allocated receive buffer when doing bulk transfers.
- CVSS 3.1
- 7.8 HIGHCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 0.26% probability · 18th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-787
- Affected
- linux/linux kernel
- Source
- 416baaa9-dc9f-4396-8d5f-8c081fb06d67
References
- https://git.kernel.org/stable/c/063f576c43d589a4c153554b681d32b3f8317c7bPatch
- https://git.kernel.org/stable/c/0866dcaa828c21bc2f94dac00e086078f11b5772Patch
- https://git.kernel.org/stable/c/1ae4715121a57bc6fa29fd992127b01907f2f993Patch
- https://git.kernel.org/stable/c/47b4636ebdbeba2044b3db937c4d2b6a4fe3d0f2Patch
- https://git.kernel.org/stable/c/78cdfd62bd54af615fba9e3ca1ba35de39d3871dPatch
- https://git.kernel.org/stable/c/7b0e356189327287d0eb98ec081bd6dd97068cd3Patch
- https://git.kernel.org/stable/c/7cfb35db607760698d299fd1cf7402dfa8f09973Patch
- https://git.kernel.org/stable/c/b7fd7f3387f070215e6be341e68eb5c087eeecc0Patch
- https://git.kernel.org/stable/c/e0e6a63fd97ad95fe05dfd77268a1952551e11a7Patch
- https://git.kernel.org/stable/c/063f576c43d589a4c153554b681d32b3f8317c7bPatch
- https://git.kernel.org/stable/c/0866dcaa828c21bc2f94dac00e086078f11b5772Patch
- https://git.kernel.org/stable/c/1ae4715121a57bc6fa29fd992127b01907f2f993Patch
- https://git.kernel.org/stable/c/47b4636ebdbeba2044b3db937c4d2b6a4fe3d0f2Patch
- https://git.kernel.org/stable/c/78cdfd62bd54af615fba9e3ca1ba35de39d3871dPatch
- https://git.kernel.org/stable/c/7b0e356189327287d0eb98ec081bd6dd97068cd3Patch
- https://git.kernel.org/stable/c/7cfb35db607760698d299fd1cf7402dfa8f09973Patch
- https://git.kernel.org/stable/c/b7fd7f3387f070215e6be341e68eb5c087eeecc0Patch
- https://git.kernel.org/stable/c/e0e6a63fd97ad95fe05dfd77268a1952551e11a7Patch
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.