3.1

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3.1

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CVE-2025-1150

CVE-2025-1150: A vulnerability was found in GNU Binutils 2.43. It has been declared as problematic. This...

A vulnerability was found in GNU Binutils 2.43. It has been declared as problematic. This vulnerability affects the function bfd_malloc of the file libbfd.c of the component ld. The manipulation leads to memory leak. The attack can be initiated remotely. The complexity of an attack is rather high. The exploitation appears to be difficult. The exploit has been disclosed to the public and may be used. It is recommended to apply a patch to fix this issue. The code maintainer explains: "I'm not going to commit some of the leak fixes I've been working on to the 2.44 branch due to concern that would destabilise ld. All of the reported leaks in this bugzilla have been fixed on binutils master."

(GitHub Advisory)

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CVE-2025-1150

CVE-2025-1150:

3.1

CVSS Score

3.1

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Technical Details

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Root Cause Analysis

The vulnerability is a memory leak in the GNU Binutils ld component. The provided patch (commit d4115c2c8d447e297ae353892de89192c1996211) addresses this by replacing numerous instances of heap allocations (xmalloc, xstrdup, xmemdup) with obstack allocations (stat_alloc, stat_strdup, stat_memdup) and removing corresponding free calls. This indicates that the original manual memory management was prone to errors, leading to leaks. The identified vulnerable functions are those that performed these allocations using xmalloc or similar functions and where the subsequent deallocation was either missing, incorrect, or removed by the patch. The CVE description also mentions bfd_malloc in libbfd.c; while not directly patched, it's the underlying allocator, and its callers (many of which are in the patched files) were responsible for the leaks. The functions listed are primarily from ld/ldexp.c, ld/ldfile.c, ld/ldgram.y (parser rules), ld/ldlang.c, ld/ldlex.l (lexer rules), and ld/lexsup.c, all of which showed changes related to memory allocation and deallocation in the patch.

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WAF Rule

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Reasoning

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