CVE-2021-47236
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- CVE-2021-47236
CVE Details
| Release Date: | 2024-05-21 | |
| Impact: | Low | What is this? |
Description
In the Linux kernel, the following vulnerability has been resolved:\nnet: cdc_eem: fix tx fixup skb leak\nwhen usbnet transmit a skb, eem fixup it in eem_tx_fixup(),\nif skb_copy_expand() failed, it return NULL,\nusbnet_start_xmit() will have no chance to free original skb.\nfix it by free orginal skb in eem_tx_fixup() first,\nthen check skb clone status, if failed, return NULL to usbnet.
See more information about CVE-2021-47236 from MITRE CVE dictionary and NIST NVD
NOTE: The following CVSS metrics and score provided are preliminary and subject to review.
CVSS v3 metrics
| Base Score: | 5.1 |
| Vector String: | CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:N/A:L |
| Version: | 3.1 |
| Attack Vector: | Local |
| Attack Complexity: | Low |
| Privileges Required: | High |
| User Interaction: | None |
| Scope: | Unchanged |
| Confidentiality Impact: | High |
| Integrity Impact: | None |
| Availability Impact: | Low |
Errata information
| Platform | Errata | Release Date |
| Oracle Linux version 6 (kernel-uek) | ELSA-2024-12606 | 2024-09-02 |
| Oracle Linux version 7 (kernel-uek) | ELSA-2024-12606 | 2024-09-02 |
| Oracle Linux version 8 (kernel) | ELSA-2024-4211 | 2024-07-02 |
| Oracle VM version 3 (kernel-uek) | OVMSA-2024-0011 | 2024-09-03 |
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