CVE-2024-26834
7.5 · HIGHOverview
CVE-2024-26834 is a high-severity vulnerability affecting linux linux_kernel. It was published on April 17, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
Technical Description
In the Linux kernel, the following vulnerability has been resolved:
netfilter: nft_flow_offload: release dst in case direct xmit path is used
Direct xmit does not use it since it calls dev_queue_xmit() to send
packets, hence it calls dst_release().
kmemleak reports:
unreferenced object 0xffff88814f440900 (size 184):
comm "softirq", pid 0, jiffies 4294951896
hex dump (first 32 bytes):
00 60 5b 04 81 88 ff ff 00 e6 e8 82 ff ff ff ff .`[.............
21 0b 50 82 ff ff ff ff 00 00 00 00 00 00 00 00 !.P.............
backtrace (crc cb2bf5d6):
[<000000003ee17107>] kmem_cache_alloc+0x286/0x340
[<0000000021a5de2c>] dst_alloc+0x43/0xb0
[<00000000f0671159>] rt_dst_alloc+0x2e/0x190
[<00000000fe5092c9>] __mkroute_output+0x244/0x980
[<000000005fb96fb0>] ip_route_output_flow+0xc0/0x160
[<0000000045367433>] nf_ip_route+0xf/0x30
[<0000000085da1d8e>] nf_route+0x2d/0x60
[<00000000d1ecd1cb>] nft_flow_route+0x171/0x6a0 [nft_flow_offload]
[<00000000d9b
Remediation
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
Affected Products
| Vendor | Product | Versions | Status |
|---|---|---|---|
| linux | linux_kernel | >= 6.5, < 6.6.19 | Affected |
References
Frequently Asked Questions
What is CVE-2024-26834?
CVE-2024-26834 is a high-severity vulnerability affecting linux linux_kernel. It was published on April 17, 2024 and has a CVSS 3.1 base score of 7.5 (HIGH).
How severe is CVE-2024-26834?
This vulnerability has a CVSS 3.1 base score of 7.5, rated HIGH. It can be exploited remotely over the network. No authentication or special privileges are required for exploitation.
How do I fix or remediate CVE-2024-26834?
Check the references section for vendor advisories and patches from linux. Update linux_kernel to the latest patched version. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.
How can CyberStrike help with CVE-2024-26834?
CyberStrike's AI-powered security agents can automatically detect CVE-2024-26834 across your infrastructure using autonomous pentesting, DAST scanning, and HackBrowser. The platform continuously monitors for known vulnerabilities and provides actionable remediation guidance prioritized by real-world exploitability.
How CyberStrike Helps
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