CVE-2024-39489

MEDIUM
Published Jul 10, 2024 Modified May 12, 2026 CWE-401

Description

In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix memleak in seg6_hmac_init_algo seg6_hmac_init_algo returns without cleaning up the previous allocations if one fails, so it's going to leak all that memory and the crypto tfms. Update seg6_hmac_exit to only free the memory when allocated, so we can reuse the code directly.

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CVSS v3.1 Score

5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weakness Type (CWE)

CWE-401 CWE-401

Affected Products

Vendor Product
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel

References

Advisories & Patches

https://git.kernel.org/stable/c/0e44d6cbe8de983470c3d2f978649783384fdcb6 https://git.kernel.org/stable/c/4a3fcf53725b70010d1cf869a2ba549fed6b8fb3 https://git.kernel.org/stable/c/599a5654215092ac22bfc453f4fd3959c55ea821 https://git.kernel.org/stable/c/61d31ac85b4572d11f8071855c0ccb4f32d76c0c https://git.kernel.org/stable/c/afd5730969aec960a2fee4e5ee839a6014643976 https://git.kernel.org/stable/c/daf341e0a2318b813427d5a78788c86f4a7f02be https://git.kernel.org/stable/c/efb9f4f19f8e37fde43dfecebc80292d179f56c6 https://git.kernel.org/stable/c/f6a99ef4e056c20a138a95cc51332b2b96c8f383 https://git.kernel.org/stable/c/0e44d6cbe8de983470c3d2f978649783384fdcb6 https://git.kernel.org/stable/c/4a3fcf53725b70010d1cf869a2ba549fed6b8fb3 https://git.kernel.org/stable/c/599a5654215092ac22bfc453f4fd3959c55ea821 https://git.kernel.org/stable/c/61d31ac85b4572d11f8071855c0ccb4f32d76c0c https://git.kernel.org/stable/c/afd5730969aec960a2fee4e5ee839a6014643976 https://git.kernel.org/stable/c/daf341e0a2318b813427d5a78788c86f4a7f02be https://git.kernel.org/stable/c/efb9f4f19f8e37fde43dfecebc80292d179f56c6 https://git.kernel.org/stable/c/f6a99ef4e056c20a138a95cc51332b2b96c8f383

Frequently Asked Questions

What is CVE-2024-39489? +
In the Linux kernel, the following vulnerability has been resolved: ipv6: sr: fix memleak in seg6_hmac_init_algo seg6_hmac_init_algo returns without cleaning up the previous allocations if one fails, so it's going to leak all that memory and the crypto tfms. Update seg6_hmac_exit to only free the memory when allocated, so we can reuse the code directly. It has a CVSS v3.1 base score of 5.5 (MEDIUM).
How severe is CVE-2024-39489? +
CVE-2024-39489 has a CVSS v3.1 score of 5.5 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2024-39489? +
CVE-2024-39489 affects products from linux, specifically: linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-39489? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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