CVE-2024-35847

HIGH
Published May 17, 2024 Modified Dec 30, 2024 CWE-415

Description

In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Prevent double free on error The error handling path in its_vpe_irq_domain_alloc() causes a double free when its_vpe_init() fails after successfully allocating at least one interrupt. This happens because its_vpe_irq_domain_free() frees the interrupts along with the area bitmap and the vprop_page and its_vpe_irq_domain_alloc() subsequently frees the area bitmap and the vprop_page again. Fix this by unconditionally invoking its_vpe_irq_domain_free() which handles all cases correctly and by removing the bitmap/vprop_page freeing from its_vpe_irq_domain_alloc(). [ tglx: Massaged change log ]

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CVSS v3.1 Score

7.8
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Weakness Type (CWE)

CWE-415 CWE-415

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
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
linux linux_kernel
debian debian_linux

References

Advisories & Patches

https://git.kernel.org/stable/c/03170e657f62c26834172742492a8cb8077ef792 https://git.kernel.org/stable/c/5b012f77abde89bf0be8a0547636184fea618137 https://git.kernel.org/stable/c/5dbdbe1133911ca7d8466bb86885adec32ad9438 https://git.kernel.org/stable/c/aa44d21574751a7d6bca892eb8e0e9ac68372e52 https://git.kernel.org/stable/c/b72d2b1448b682844f995e660b77f2a1fabc1662 https://git.kernel.org/stable/c/c26591afd33adce296c022e3480dea4282b7ef91 https://git.kernel.org/stable/c/dd681710ab77c8beafe2e263064cb1bd0e2d6ca9 https://git.kernel.org/stable/c/f5417ff561b8ac9a7e53c747b8627a7ab58378ae https://git.kernel.org/stable/c/03170e657f62c26834172742492a8cb8077ef792 https://git.kernel.org/stable/c/5b012f77abde89bf0be8a0547636184fea618137 https://git.kernel.org/stable/c/5dbdbe1133911ca7d8466bb86885adec32ad9438 https://git.kernel.org/stable/c/aa44d21574751a7d6bca892eb8e0e9ac68372e52 https://git.kernel.org/stable/c/b72d2b1448b682844f995e660b77f2a1fabc1662 https://git.kernel.org/stable/c/c26591afd33adce296c022e3480dea4282b7ef91 https://git.kernel.org/stable/c/dd681710ab77c8beafe2e263064cb1bd0e2d6ca9 https://git.kernel.org/stable/c/f5417ff561b8ac9a7e53c747b8627a7ab58378ae https://lists.debian.org/debian-lts-announce/2024/06/msg00017.html https://lists.debian.org/debian-lts-announce/2024/06/msg00020.html

Frequently Asked Questions

What is CVE-2024-35847? +
In the Linux kernel, the following vulnerability has been resolved: irqchip/gic-v3-its: Prevent double free on error The error handling path in its_vpe_irq_domain_alloc() causes a double free when its_vpe_init() fails after successfully allocating at least one interrupt. This happens because its_vpe_irq_domain_free() frees the interrupts along with the area bitmap and the vprop_page and its_vpe_irq_domain_alloc() subsequently frees the area bitmap and the vprop_page again. Fix this by unconditionally invoking its_vpe_irq_domain_free() which handles all cases correctly and by removing the bitmap/vprop_page freeing from its_vpe_irq_domain_alloc(). [ tglx: Massaged change log ] It has a CVSS v3.1 base score of 7.8 (HIGH).
How severe is CVE-2024-35847? +
CVE-2024-35847 has a CVSS v3.1 score of 7.8 out of 10, rated HIGH. This is a high-severity vulnerability that should be prioritized for patching.
What products are affected by CVE-2024-35847? +
CVE-2024-35847 affects products from debian, linux, specifically: debian_linux, linux_kernel. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2024-35847? +
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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