CVE-2024-36945: net/smc: fix neighbour and rtable leak in smc_ib_find_route()
First published: Thu May 30 2024(Updated: )
In the Linux kernel, the following vulnerability has been resolved: net/smc: fix neighbour and rtable leak in smc_ib_find_route() In smc_ib_find_route(), the neighbour found by neigh_lookup() and rtable resolved by ip_route_output_flow() are not released or put before return. It may cause the refcount leak, so fix it.
Credit: 416baaa9-dc9f-4396-8d5f-8c081fb06d67 416baaa9-dc9f-4396-8d5f-8c081fb06d67
| Affected Software | Affected Version | How to fix |
|---|---|---|
| redhat/kernel | <6.1.91 | 6.1.91 |
| redhat/kernel | <6.6.31 | 6.6.31 |
| redhat/kernel | <6.8.10 | 6.8.10 |
| redhat/kernel | <6.9 | 6.9 |
| 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 | |
| debian/linux | 5.10.223-1 5.10.234-1 6.1.129-1 6.1.128-1 6.12.21-1 6.12.22-1 |
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Reference Links
- https://git.kernel.org/stable/c/2ddc0dd7fec86ee53b8928a5cca5fbddd4fc7c06
- https://git.kernel.org/stable/c/5df93c029a907b0ff5a4eeadd77ba06ff0a277d2
- https://git.kernel.org/stable/c/d5a466ab6e78d6f2e0f64435f1e17246c8e941ff
- https://git.kernel.org/stable/c/da91e447d06dc649fcf46e59122e7bf8f0b2e0db
- https://launchpad.net/bugs/cve/CVE-2024-36945
- https://access.redhat.com/security/cve/CVE-2024-36945
- https://lore.kernel.org/linux-cve-announce/2024053039-CVE-2024-36945-18ae@gregkh/T
- https://bugzilla.redhat.com/show_bug.cgi/show_bug.cgi?id=2284467
- https://access.redhat.com/errata/RHSA-2024:5101
- https://access.redhat.com/errata/RHSA-2024:9315
- https://bugzilla.redhat.com/show_bug.cgi?id=2284465
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-36945
- https://nvd.nist.gov/vuln/detail/CVE-2024-36945
- https://security-tracker.debian.org/tracker/CVE-2024-36945
- https://ubuntu.com/security/CVE-2024-36945
- https://git.kernel.org/linus/2ddc0dd7fec86ee53b8928a5cca5fbddd4fc7c06
- https://security.netapp.com/advisory/ntap-20250404-0006/
- https://www.ibm.com/support/pages/node/7230443 (Advisory)
Frequently Asked Questions
What is the severity of CVE-2024-36945?
CVE-2024-36945 is classified as a medium severity vulnerability affecting the Linux kernel.
How do I fix CVE-2024-36945?
To fix CVE-2024-36945, upgrade to the latest kernel versions provided in the affected software lists.
Which versions of the Linux kernel are affected by CVE-2024-36945?
CVE-2024-36945 affects several kernel versions, including those prior to 6.1.91, 6.6.31, 6.8.10, and 6.9.
What is the impact of not addressing CVE-2024-36945?
Failure to address CVE-2024-36945 may lead to potential memory leaks in the system affecting stability and performance.
Is there a specific configuration required to mitigate CVE-2024-36945?
No specific configuration is required; simply updating to a remedied kernel version will mitigate CVE-2024-36945.
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