3.1

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3.1

-

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CVE-2025-1148

CVE-2025-1148: A vulnerability was found in GNU Binutils 2.43 and classified as problematic. Affected by this...

A vulnerability was found in GNU Binutils 2.43 and classified as problematic. Affected by this issue is the function link_order_scan of the file ld/ldelfgen.c of the component ld. The manipulation leads to memory leak. The attack may be launched remotely. The complexity of an attack is rather high. The exploitation is known 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-2025-1148

CVE-2025-1148:

3.1

CVSS Score

3.1

-

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Basic Information

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Technical Details

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Root Cause Analysis

The primary vulnerable function link_order_scan is identified directly from the vulnerability description. The other functions are identified from the provided commit d4115c2c8d447e297ae353892de89192c1996211, which fixes a series of memory leaks in the ld component of binutils by replacing heap allocations (xmalloc, xstrdup, xcalloc) with obstack allocations (stat_alloc, stat_strdup, stat_memdup) or by removing free calls that are no longer necessary or were incorrect. These changes indicate that the original code in these functions was prone to memory leaks because memory was allocated but not properly deallocated. The commit message explicitly states it's replacing xmalloc with stat_alloc because proper freeing was difficult to implement. The functions listed are those where such changes were made, implying they were sites of memory leaks. The ldgram.y and ldlex.l files involve parser and lexer generator rules; changes here imply that actions within these rules were allocating memory that leaked. Since specific function names within these yacc/lex files are not always straightforward to extract without deeper analysis of the grammar, I've noted the files. For other C files, the specific C functions are listed.

Vulnerable functions

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WAF Rule

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Reasoning

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