CVE-2023-54245
In the Linux kernel, the following vulnerability has been resolved: ASoC: codecs: tx-macro: Fix for KASAN: slab-out-of-bounds When we run syzkaller we get below Out of Bound. "KASAN: slab-out-of-bounds Read in regcache_flat_read" Below is the backtrace of the issue: dump_backtrace+0x0/0x4c8 show_stack+0x34/0x44 dump_stack_lvl+0xd8/0x118 print_address_description+0x30/0x2d8 kasan_report+0x158/0x198 __asan_report_load4_noabort+0x44/0x50 regcache_flat_read+0x10c/0x110 regcache_read+0xf4/0x180 _regmap_read+0xc4/0x278 _regmap_update_bits+0x130/0x290 regmap_update_bits_base+0xc0/0x15c snd_soc_component_update_bits+0xa8/0x22c snd_soc_component_write_field+0x68/0xd4 tx_macro_digital_mute+0xec/0x140 Actually There is no need to have decimator with 32 bits. By limiting the variable with short type u8 issue is resolved.
Affected versions
Linux kernel versions
5.12
and later are affected. Fixed in
5.15.106,
6.1.23,
6.2.10,
6.3
and their respective stable series.
References
The following references provide additional information about CVE-2023-54245 including vendor advisories, patch commits, exploit details, and third-party analysis. Links are sourced from the NIST NVD database.
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PatchKernel patch commithttps://git.kernel.org/stable/c/57f9a9a232bde7abfe49c3072b29a255da9ba891
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PatchKernel patch commithttps://git.kernel.org/stable/c/b0cd740a31412340fead50e69e4fe9bc3781c754
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PatchKernel patch commithttps://git.kernel.org/stable/c/da35a4e6eee5d73886312e85322a6e97df901987
Frequently asked questions
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What is CVE-2023-54245?
CVE-2023-54245 is a unscored severity Linux kernel vulnerability . It affects Linux kernel versions from 5.12 onward and has been patched in 5.15.106, 6.1.23, 6.2.10 and others. CVE-2023-54245 has not been confirmed as actively exploited and is not listed in the CISA KEV catalog.
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Is there a patch available for CVE-2023-54245?
Yes — CVE-2023-54245 has been patched. Fixed versions include 5.15.106, 6.1.23, 6.2.10 and others. If you are running Linux kernel 5.12 or later up to the fix versions, apply the relevant patch for your kernel branch.
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Is CVE-2023-54245 actively exploited?
No — CVE-2023-54245 has not been confirmed as actively exploited. It is not listed in the CISA Known Exploited Vulnerabilities (KEV) catalog.