CVE-2024-56685
published 2024-12-28CVE-2024-56685: In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe Following commit…
PriorityP420medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.20%
10.3th percentile
In the Linux kernel, the following vulnerability has been resolved:
ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe
Following commit 13f58267cda3 ("ASoC: soc.h: don't create dummy
Component via COMP_DUMMY()"), COMP_DUMMY() became an array with zero
length, and only gets populated with the dummy struct after the card is
registered. Since the sound card driver's probe happens before the card
registration, accessing any of the members of a dummy component during
probe will result in undefined behavior.
This can be observed in the mt8188 and mt8195 machine sound drivers. By
omitting a dai link subnode in the sound card's node in the Devicetree,
the default uninitialized dummy codec is used, and when its dai_name
pointer gets passed to strcmp() it results in a null pointer dereference
and a kernel panic.
In addition to that, set_card_codec_info() in the generic helpers file,
mtk-soundcard-driver.c, will populate a dai link with a dummy codec when
a dai link node is present in DT but with no codec property.
The result is that at probe time, a dummy codec can either be
uninitialized with num_codecs = 0, or be an initialized dummy codec,
with num_codecs = 1 and dai_name = "snd-soc-dummy-dai". In order to
accommodate for both situations, check that num_codecs is not zero
before accessing the codecs' fields but still check for the codec's dai
name against "snd-soc-dummy-dai" as needed.
While at it, also drop the check that dai_name is not null in the mt8192
driver, introduced in commit 4d4e1b6319e5 ("ASoC: mediatek: mt8192:
Check existence of dai_name before dereferencing"), as it is actually
redundant given the preceding num_codecs != 0 check.
Affected
11 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.12.3-1 (forky) | linux 6.12.3-1 (forky) |
| linux | linux | — | — |
| linux | linux | >= 13f58267cda3d6946c8f4de368ad5d4a003baa61 < 376f4800f34a28def026ff5c5d4fc5e54e1744ff | 376f4800f34a28def026ff5c5d4fc5e54e1744ff |
| linux | linux | >= 13f58267cda3d6946c8f4de368ad5d4a003baa61 < 550279449ff54c5aa28cfca5c567308cbfb145f0 | 550279449ff54c5aa28cfca5c567308cbfb145f0 |
| linux | linux | >= 13f58267cda3d6946c8f4de368ad5d4a003baa61 < 2f2020327cc8561d7c520d2f2d9acea84fa7b3a3 | 2f2020327cc8561d7c520d2f2d9acea84fa7b3a3 |
| linux | linux_kernel | >= 0 < 6.12.3-1 | 6.12.3-1 |
| linux | linux_kernel | >= 0 < 6.12.3-1 | 6.12.3-1 |
| linux | linux_kernel | >= 0 < 6.8.0-58.60 | 6.8.0-58.60 |
| linux | linux_kernel | >= 0 < 6.11.0-18.18 | 6.11.0-18.18 |
| linux | linux_kernel | >= 6.12 < 6.12.2 | 6.12.2 |
| linux | linux_kernel | >= 6.8 < 6.11.11 | 6.11.11 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv8.8HIGH
vendor_ubuntu8.8HIGH
vendor_debian5.5LOW
vendor_redhat5.5MEDIUM
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GHSA-54qc-m2ph-jw4r: In the Linux kernel, the following vulnerability has been resolved:
ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe
Followi
ghsa_unreviewed·2024-12-28
CVE-2024-56685 [MEDIUM] CWE-908 GHSA-54qc-m2ph-jw4r: In the Linux kernel, the following vulnerability has been resolved:
ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe
Followi
In the Linux kernel, the following vulnerability has been resolved:
ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe
Following commit 13f58267cda3 ("ASoC: soc.h: don't create dummy
Component via COMP_DUMMY()"), COMP_DUMMY() became an array with zero
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registered. Since the sound card driver's probe happens before the card
registration, accessing any of the members of a dummy component during
probe will result in undefined behavior.
This can be observed in the mt8188 and mt8195 machine sound drivers. By
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the default uninitialized dummy codec is used, and when its dai_name
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CVE-2024-56685: In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe Following
osv·2024-12-28·CVSS 5.5
CVE-2024-56685 [MEDIUM] CVE-2024-56685: In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe Following
In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe Following commit 13f58267cda3 ("ASoC: soc.h: don't create dummy Component via COMP_DUMMY()"), COMP_DUMMY() became an array with zero length, and only gets populated with the dummy struct after the card is registered. Since the sound card driver's probe happens before the card registration, accessing any of the members of a dummy component during probe will result in undefined behavior. This can be observed in the mt8188 and mt8195 machine sound drivers. By omitting a dai link subnode in the sound card's node in the Devicetree, the default uninitialized dummy codec is used, and when its dai_name pointer gets passed to strcmp() it results in a null poin
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An attacker could possibly use these to compromise the system.
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- MIPS architecture;
- PowerPC architecture;
- RISC-V architecture;
- S390 architecture;
- SuperH RISC architecture;
- User-Mode Linux (UML);
- x86 architecture;
- Block layer subsystem;
- Cryptographic API;
- Compute Acceleration Framework;
- ACPI drivers;
- Drivers core;
- RAM backed block device driver;
- Compressed RAM block device driver;
- TPM device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- CPU frequency scaling framework;
- Hardware crypto de
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Summary: Several security issues were fixed in the Linux kernel.
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An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM64 architecture;
- MIPS architecture;
- PowerPC architecture;
- RISC-V architecture;
- S390 architecture;
- SuperH RISC architecture;
- User-Mode Linux (UML);
- x86 architecture;
- Block layer subsystem;
- Cryptographic API;
- Compute Acceleration Framework;
- ACPI drivers;
- Drivers core;
- RAM backed block device driver;
- Compressed RAM block device driver;
- TPM device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- CPU frequency scaling framework;
- Hardware crypto de
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a specially crafted file system image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2025-0927)
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM32 architecture;
- ARM64 architecture;
- PowerPC architecture;
- RISC-V architecture;
- S390 architecture;
- SuperH RISC architecture;
- User-Mode Linux (UML);
- x86 architecture;
- Block layer subsystem;
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- ARM32 architecture;
- ARM64 architecture;
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- RISC-V architecture;
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- RAM backed block device driver;
- Network block device driver;
- Ublk userspace block driver;
- Compressed RAM block device driver;
- Bluetooth drivers;
- TPM device driver;
- Clock fr
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vendor_ubuntu·2025-02-19
CVE-2024-49996 Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
Attila Szász discovered that the HFS+ file system implementation in the
Linux Kernel contained a heap overflow vulnerability. An attacker could use
a specially crafted file system image that, when mounted, could cause a
denial of service (system crash) or possibly execute arbitrary code.
(CVE-2025-0927)
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the system.
This update corrects flaws in the following subsystems:
- ARM32 architecture;
- ARM64 architecture;
- PowerPC architecture;
- RISC-V architecture;
- S390 architecture;
- SuperH RISC architecture;
- User-Mode Linux (UML);
- x86 architecture;
- Block layer subsystem;
-
Red Hat
kernel: ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe
vendor_redhat·2024-12-28·CVSS 5.5
CVE-2024-56685 [MEDIUM] kernel: ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe
kernel: ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe
In the Linux kernel, the following vulnerability has been resolved:
ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe
Following commit 13f58267cda3 ("ASoC: soc.h: don't create dummy
Component via COMP_DUMMY()"), COMP_DUMMY() became an array with zero
length, and only gets populated with the dummy struct after the card is
registered. Since the sound card driver's probe happens before the card
registration, accessing any of the members of a dummy component during
probe will result in undefined behavior.
This can be observed in the mt8188 and mt8195 machine sound drivers. By
omitting a dai link subnode in the sound card's node in the Devicetree,
the default uninitialized dummy codec is use
Debian
CVE-2024-56685: linux - In the Linux kernel, the following vulnerability has been resolved: ASoC: media...
vendor_debian·2024·CVSS 5.5
CVE-2024-56685 [MEDIUM] CVE-2024-56685: linux - In the Linux kernel, the following vulnerability has been resolved: ASoC: media...
In the Linux kernel, the following vulnerability has been resolved: ASoC: mediatek: Check num_codecs is not zero to avoid panic during probe Following commit 13f58267cda3 ("ASoC: soc.h: don't create dummy Component via COMP_DUMMY()"), COMP_DUMMY() became an array with zero length, and only gets populated with the dummy struct after the card is registered. Since the sound card driver's probe happens before the card registration, accessing any of the members of a dummy component during probe will result in undefined behavior. This can be observed in the mt8188 and mt8195 machine sound drivers. By omitting a dai link subnode in the sound card's node in the Devicetree, the default uninitialized dummy codec is used, and when its dai_name pointer gets passed to strcmp() it results in a null poin
No detection rules found.
No public exploits indexed.
No writeups or analysis indexed.
2024-12-28
Published