CVE-2021-47236: net: cdc_eem: fix tx fixup skb leak
First published: Tue May 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: net: cdc_eem: fix tx fixup skb leak The Linux kernel CVE team has assigned <a href="https://access.redhat.com/security/cve/CVE-2021-47236">CVE-2021-47236</a> to this issue. Upstream advisory: <a href="https://lore.kernel.org/linux-cve-announce/2024052140-CVE-2021-47236-c679@gregkh/T">https://lore.kernel.org/linux-cve-announce/2024052140-CVE-2021-47236-c679@gregkh/T</a>
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.4.274 | 4.4.274 |
| redhat/kernel | <4.9.274 | 4.9.274 |
| redhat/kernel | <4.14.238 | 4.14.238 |
| redhat/kernel | <4.19.196 | 4.19.196 |
| redhat/kernel | <5.4.128 | 5.4.128 |
| redhat/kernel | <5.10.46 | 5.10.46 |
| redhat/kernel | <5.12.13 | 5.12.13 |
| redhat/kernel | <5.13 | 5.13 |
| IBM Security Verify Governance - Identity Manager | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Software Stack | <=ISVG 10.0.2 | |
| IBM Security Verify Governance, Identity Manager Virtual Appliance | <=ISVG 10.0.2 | |
| IBM Security Verify Governance Identity Manager Container | <=ISVG 10.0.2 |
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Reference Links
- https://git.kernel.org/stable/c/05b2b9f7d24b5663d9b47427fe1555bdafd3ea02
- https://git.kernel.org/stable/c/14184ec5c958b589ba934da7363a2877879204df
- https://git.kernel.org/stable/c/1bcacd6088d61c0ac6a990d87975600a81f3247e
- https://git.kernel.org/stable/c/81de2ed06df8b5451e050fe6a318af3263dbff3f
- https://git.kernel.org/stable/c/b4f7a9fc9d094c0c4a66f2ad7c37b1dbe9e78f88
- https://git.kernel.org/stable/c/c3b26fdf1b32f91c7a3bc743384b4a298ab53ad7
- https://git.kernel.org/stable/c/f12554b0ff639e74612cc01b3b4a049e098d2d65
- https://git.kernel.org/stable/c/f4e6a7f19c82f39b1803e91c54718f0d7143767d
- https://access.redhat.com/security/cve/CVE-2021-47236
- https://lore.kernel.org/linux-cve-announce/2024052140-CVE-2021-47236-c679@gregkh/T
- https://access.redhat.com/errata/RHSA-2024:4211
- https://access.redhat.com/errata/RHSA-2024:4352
- https://bugzilla.redhat.com/show_bug.cgi?id=2282581
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2021-47236?
CVE-2021-47236 has been classified as a moderate severity vulnerability in the Linux kernel.
How do I fix CVE-2021-47236?
To fix CVE-2021-47236, upgrade your Linux kernel to versions 4.4.274, 4.9.274, 4.14.238, 4.19.196, 5.4.128, 5.10.46, 5.12.13, or 5.13.
Which systems are affected by CVE-2021-47236?
CVE-2021-47236 affects multiple versions of the Linux kernel and IBM Security Verify Governance up to version 10.0.2.
What components are impacted by CVE-2021-47236?
CVE-2021-47236 specifically impacts the net: cdc_eem component of the Linux kernel.
Is CVE-2021-47236 being actively exploited?
As of now, there is no public indication that CVE-2021-47236 is being actively exploited in the wild.
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