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CVE-2024-53233

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CVE-2024-53233

Published: Dec 27, 2024

Modified: May 11, 2026

PUBLISHED

Description

In the Linux kernel, the following vulnerability has been resolved: unicode: Fix utf8_load() error path utf8_load() requests the symbol "utf8_data_table" and then checks if the requested UTF-8 version is supported. If it's unsupported, it tries to put the data table using symbol_put(). If an unsupported version is requested, symbol_put() fails like this: kernel BUG at kernel/module/main.c:786! RIP: 0010:__symbol_put+0x93/0xb0 Call Trace: <TASK> ? __die_body.cold+0x19/0x27 ? die+0x2e/0x50 ? do_trap+0xca/0x110 ? do_error_trap+0x65/0x80 ? __symbol_put+0x93/0xb0 ? exc_invalid_op+0x51/0x70 ? __symbol_put+0x93/0xb0 ? asm_exc_invalid_op+0x1a/0x20 ? __pfx_cmp_name+0x10/0x10 ? __symbol_put+0x93/0xb0 ? __symbol_put+0x62/0xb0 utf8_load+0xf8/0x150 That happens because symbol_put() expects the unique string that identify the symbol, instead of a pointer to the loaded symbol. Fix that by using such string.

VendorProductVersions

Linux

Linux

affected
2b3d047870120bcd46d7cc257d19ff49328fd585 - < 4387cef540f36c2c9297460758cc2438305a24a0
affected
2b3d047870120bcd46d7cc257d19ff49328fd585 - < c4b6c1781f6cc4e2283120ac8d873864b8056f21
affected
2b3d047870120bcd46d7cc257d19ff49328fd585 - < 6504dd27123966dc455494cb55217c04ca479121
affected
2b3d047870120bcd46d7cc257d19ff49328fd585 - < 89933f8ab3b4cad5ac14ea56a39947d1ffe7d0e3
affected
2b3d047870120bcd46d7cc257d19ff49328fd585 - < 156bb2c569cd869583c593d27a5bd69e7b2a4264

Linux

Linux

affected
5.17
unaffected
0 - < 5.17
unaffected
6.1.120 - <= 6.1.*
unaffected
6.6.64 - <= 6.6.*
unaffected
6.11.11 - <= 6.11.*

+2 more versions

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