CVE-2021-47284: isdn: mISDN: netjet: Fix crash in nj_probe:
First published: Tue May 21 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: isdn: mISDN: netjet: Fix crash in nj_probe The Linux kernel CVE team has assigned <a href="https://access.redhat.com/security/cve/CVE-2021-47284">CVE-2021-47284</a> to this issue. Upstream advisory: <a href="https://lore.kernel.org/linux-cve-announce/2024052154-CVE-2021-47284-c8f5@gregkh/T">https://lore.kernel.org/linux-cve-announce/2024052154-CVE-2021-47284-c8f5@gregkh/T</a>
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <4.4.273 | 4.4.273 |
| redhat/kernel | <4.9.273 | 4.9.273 |
| redhat/kernel | <4.14.237 | 4.14.237 |
| redhat/kernel | <4.19.195 | 4.19.195 |
| redhat/kernel | <5.4.126 | 5.4.126 |
| redhat/kernel | <5.10.44 | 5.10.44 |
| redhat/kernel | <5.12.11 | 5.12.11 |
| redhat/kernel | <5.13 | 5.13 |
| Linux Kernel | <4.4.273 | |
| Linux Kernel | >=4.5<4.9.273 | |
| Linux Kernel | >=4.10<4.14.237 | |
| Linux Kernel | >=4.15<4.19.195 | |
| Linux Kernel | >=4.20<5.4.126 | |
| Linux Kernel | >=5.5<5.10.44 | |
| Linux Kernel | >=5.11<5.12.11 | |
| Linux Kernel | =5.13-rc1 | |
| Linux Kernel | =5.13-rc2 | |
| Linux Kernel | =5.13-rc3 | |
| 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://access.redhat.com/security/cve/CVE-2021-47284
- https://lore.kernel.org/linux-cve-announce/2024052154-CVE-2021-47284-c8f5@gregkh/T
- https://access.redhat.com/errata/RHSA-2024:5102
- https://access.redhat.com/errata/RHSA-2024:5101
- https://bugzilla.redhat.com/show_bug.cgi?id=2282923
- https://git.kernel.org/stable/c/958cb1078ca60d214826fd90a0961a447fade59a
- https://git.kernel.org/stable/c/4c1fcb6ec964b44edbf84235134582a5ffae1521
- https://git.kernel.org/stable/c/a0a37e4454ca1c0b424edc2c9c2487c2c46a1be6
- https://git.kernel.org/stable/c/bf78e25bd3f487208e042c67c8a31706c2dba265
- https://git.kernel.org/stable/c/9d7d4649dc1c53acf76df260fd519db698ed20d7
- https://git.kernel.org/stable/c/143fc7220961220eecc04669e5909af8847bf8c8
- https://git.kernel.org/stable/c/6249193e03709ea625e10706ecaf17fea0427d3d
- https://git.kernel.org/stable/c/9f6f852550d0e1b7735651228116ae9d300f69b3
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2021-47284?
CVE-2021-47284 has been resolved in the Linux kernel and specific severity details can be found in the provided advisories.
How can I fix CVE-2021-47284?
To fix CVE-2021-47284, update the Linux kernel to the specified version or newer as indicated in the remediation for affected packages.
Which versions of the Linux kernel are affected by CVE-2021-47284?
CVE-2021-47284 affects various versions of the Linux kernel up to and including 5.13.
Is CVE-2021-47284 related to any specific products?
Yes, CVE-2021-47284 may impact certain IBM Security Verify Governance products that rely on vulnerable kernel versions.
What type of vulnerability is CVE-2021-47284?
CVE-2021-47284 is a kernel vulnerability related to the mISDN subsystem in the Linux operating system.
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