CVE-2024-35905

HIGH
Published May 19, 2024 Modified May 12, 2026 CWE-129 CWE-190

Description

In the Linux kernel, the following vulnerability has been resolved: bpf: Protect against int overflow for stack access size This patch re-introduces protection against the size of access to stack memory being negative; the access size can appear negative as a result of overflowing its signed int representation. This should not actually happen, as there are other protections along the way, but we should protect against it anyway. One code path was missing such protections (fixed in the previous patch in the series), causing out-of-bounds array accesses in check_stack_range_initialized(). This patch causes the verification of a program with such a non-sensical access size to fail. This check used to exist in a more indirect way, but was inadvertendly removed in a833a17aeac7.

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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-129 CWE-129
CWE-190 Integer Overflow

Affected Products

Vendor Product
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/203a68151e8eeb331d4a64ab78303f3a15faf103 https://git.kernel.org/stable/c/37dc1718dc0c4392dbfcb9adec22a776e745dd69 https://git.kernel.org/stable/c/3f0784b2f1eb9147973d8c43ba085c5fdf44ff69 https://git.kernel.org/stable/c/98cdac206b112bec63852e94802791e316acc2c1 https://git.kernel.org/stable/c/9970e059af471478455f9534e8c3db82f8c5496d https://git.kernel.org/stable/c/ecc6a2101840177e57c925c102d2d29f260d37c8 https://git.kernel.org/stable/c/203a68151e8eeb331d4a64ab78303f3a15faf103 https://git.kernel.org/stable/c/37dc1718dc0c4392dbfcb9adec22a776e745dd69 https://git.kernel.org/stable/c/3f0784b2f1eb9147973d8c43ba085c5fdf44ff69 https://git.kernel.org/stable/c/98cdac206b112bec63852e94802791e316acc2c1 https://git.kernel.org/stable/c/9970e059af471478455f9534e8c3db82f8c5496d https://git.kernel.org/stable/c/ecc6a2101840177e57c925c102d2d29f260d37c8

Frequently Asked Questions

What is CVE-2024-35905? +
In the Linux kernel, the following vulnerability has been resolved: bpf: Protect against int overflow for stack access size This patch re-introduces protection against the size of access to stack memory being negative; the access size can appear negative as a result of overflowing its signed int representation. This should not actually happen, as there are other protections along the way, but we should protect against it anyway. One code path was missing such protections (fixed in the previous patch in the series), causing out-of-bounds array accesses in check_stack_range_initialized(). This patch causes the verification of a program with such a non-sensical access size to fail. This check used to exist in a more indirect way, but was inadvertendly removed in a833a17aeac7. It has a CVSS v3.1 base score of 7.8 (HIGH).
How severe is CVE-2024-35905? +
CVE-2024-35905 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-2024-35905? +
CVE-2024-35905 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-2024-35905? +
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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