CVE-2025-38558
published 2025-08-19CVE-2025-38558: In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Initialize frame-based format color matching descriptor Fix NULL pointer…
PriorityP421medium5.5CVSS 3.1
AVLACLPRLUINSUCNINAH
EPSS
0.15%
5.0th percentile
In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: uvc: Initialize frame-based format color matching descriptor
Fix NULL pointer crash in uvcg_framebased_make due to uninitialized color
matching descriptor for frame-based format which was added in
commit f5e7bdd34aca ("usb: gadget: uvc: Allow creating new color matching
descriptors") that added handling for uncompressed and mjpeg format.
Crash is seen when userspace configuration (via configfs) does not
explicitly define the color matching descriptor. If color_matching is not
found, config_group_find_item() returns NULL. The code then jumps to
out_put_cm, where it calls config_item_put(color_matching);. If
color_matching is NULL, this will dereference a null pointer, leading to a
crash.
[ 2.746440] Unable to handle kernel NULL pointer dereference at virtual address 000000000000008c
[ 2.756273] Mem abort info:
[ 2.760080] ESR = 0x0000000096000005
[ 2.764872] EC = 0x25: DABT (current EL), IL = 32 bits
[ 2.771068] SET = 0, FnV = 0
[ 2.771069] EA = 0, S1PTW = 0
[ 2.771070] FSC = 0x05: level 1 translation fault
[ 2.771071] Data abort info:
[ 2.771072] ISV = 0, ISS = 0x00000005, ISS2 = 0x00000000
[ 2.771073] CM = 0, WnR = 0, TnD = 0, TagAccess = 0
[ 2.771074] GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0
[ 2.771075] user pgtable: 4k pages, 39-bit VAs, pgdp=00000000a3e59000
[ 2.771077] [000000000000008c] pgd=0000000000000000, p4d=0000000000000000, pud=0000000000000000
[ 2.771081] Internal error: Oops: 0000000096000005 [#1] PREEMPT SMP
[ 2.771084] Dumping ftrace buffer:
[ 2.771085] (ftrace buffer empty)
[ 2.771138] CPU: 7 PID: 486 Comm: ln Tainted: G W E 6.6.58-android15
[ 2.771139] Hardware name: Qualcomm Technologies, Inc. SunP QRD HDK (DT)
[ 2.771140] pstate: 61400005 (nZCv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--)
[ 2.771141] pc : __uvcg_fill_strm+0x198/0x2cc
[ 2.771145] lr : __uvcg_iter_strm_cls+0xc8/0x17c
[ 2.771146] sp : ffffffc08140bbb0
[ 2.771146] x29: ffffffc08140bbb0 x28: ffffff803bc
Affected
8 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| debian | linux | < linux 6.16.3-1 (forky) | linux 6.16.3-1 (forky) |
| linux | linux | — | — |
| linux | linux | >= 7b5a58952fc3b51905c2963647485565df1e5e26 < 6db61c1aa23075eeee90e083ca3f6567a5635da6 | 6db61c1aa23075eeee90e083ca3f6567a5635da6 |
| linux | linux | >= 7b5a58952fc3b51905c2963647485565df1e5e26 < 7f8576fc9d1a203d12474bf52710c7af68cae490 | 7f8576fc9d1a203d12474bf52710c7af68cae490 |
| linux | linux | >= 7b5a58952fc3b51905c2963647485565df1e5e26 < 323a80a1a5ace319a722909c006d5bdb2a35d273 | 323a80a1a5ace319a722909c006d5bdb2a35d273 |
| linux | linux_kernel | >= 0 < 6.16.3-1 | 6.16.3-1 |
| linux | linux_kernel | >= 6.13 < 6.15.10 | 6.15.10 |
| linux | linux_kernel | >= 6.16 < 6.16.1 | 6.16.1 |
CVSS provenance
nvdv3.15.5MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
osv5.5MEDIUM
vendor_debian5.5LOW
vendor_redhat5.5MEDIUM
vendor_ubuntu3.2LOW
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Ubuntu
Linux kernel (Azure) vulnerabilities
vendor_ubuntu·2025-12-15·CVSS 3.2
CVE-2025-38566 [LOW] Linux kernel (Azure) vulnerabilities
Title: Linux kernel (Azure) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that improper initialization of CPU cache memory could
allow a local attacker with hypervisor access to overwrite SEV-SNP guest
memory resulting in loss of data integrity. (CVE-2024-36331)
Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered
that the Linux kernel contained insufficient branch predictor isolation
between a guest and a userspace hypervisor for certain processors. This
flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this
to expose sensitive information from the host OS. (CVE-2025-40300)
Several security issues were discovered in the Linux kernel.
An attacker could possibly use these to compromise the s
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2025-12-04·CVSS 3.2
CVE-2025-38493 [LOW] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that improper initialization of CPU cache memory could
allow a local attacker with hypervisor access to overwrite SEV-SNP guest
memory resulting in loss of data integrity. (CVE-2024-36331)
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:
- ARM64 architecture;
- PowerPC architecture;
- S390 architecture;
- x86 architecture;
- Network block device driver;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- Hardware crypto device drivers;
- Device frequency scaling framework;
- DMA engine subsys
Ubuntu
Linux kernel vulnerabilities
vendor_ubuntu·2025-11-26·CVSS 3.2
CVE-2025-38566 [LOW] Linux kernel vulnerabilities
Title: Linux kernel vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that improper initialization of CPU cache memory could
allow a local attacker with hypervisor access to overwrite SEV-SNP guest
memory resulting in loss of data integrity. (CVE-2024-36331)
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:
- ARM64 architecture;
- PowerPC architecture;
- S390 architecture;
- x86 architecture;
- Network block device driver;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- Hardware crypto device drivers;
- Device frequency scaling framework;
- DMA engine subsys
Ubuntu
Linux kernel (Real-time) vulnerabilities
vendor_ubuntu·2025-11-21·CVSS 3.2
CVE-2025-38566 [LOW] Linux kernel (Real-time) vulnerabilities
Title: Linux kernel (Real-time) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that improper initialization of CPU cache memory could
allow a local attacker with hypervisor access to overwrite SEV-SNP guest
memory resulting in loss of data integrity. (CVE-2024-36331)
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:
- ARM64 architecture;
- PowerPC architecture;
- S390 architecture;
- x86 architecture;
- Network block device driver;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- Hardware crypto device drivers;
- Device frequency scaling framework;
- DMA e
Ubuntu
Linux kernel (OEM) vulnerabilities
vendor_ubuntu·2025-11-21·CVSS 3.2
CVE-2025-38493 [LOW] Linux kernel (OEM) vulnerabilities
Title: Linux kernel (OEM) vulnerabilities
Summary: Several security issues were fixed in the Linux kernel.
It was discovered that improper initialization of CPU cache memory could
allow a local attacker with hypervisor access to overwrite SEV-SNP guest
memory resulting in loss of data integrity. (CVE-2024-36331)
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:
- ARM64 architecture;
- PowerPC architecture;
- S390 architecture;
- x86 architecture;
- Network block device driver;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- Hardware crypto device drivers;
- Device frequency scaling framework;
- DMA engine
Red Hat
kernel: usb: gadget: uvc: Initialize frame-based format color matching descriptor
vendor_redhat·2025-08-19·CVSS 5.5
CVE-2025-38558 [MEDIUM] kernel: usb: gadget: uvc: Initialize frame-based format color matching descriptor
kernel: usb: gadget: uvc: Initialize frame-based format color matching descriptor
In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: uvc: Initialize frame-based format color matching descriptor
Fix NULL pointer crash in uvcg_framebased_make due to uninitialized color
matching descriptor for frame-based format which was added in
commit f5e7bdd34aca ("usb: gadget: uvc: Allow creating new color matching
descriptors") that added handling for uncompressed and mjpeg format.
Crash is seen when userspace configuration (via configfs) does not
explicitly define the color matching descriptor. If color_matching is not
found, config_group_find_item() returns NULL. The code then jumps to
out_put_cm, where it calls config_item_put(color_matching);. If
color_matching is NULL
Debian
CVE-2025-38558: linux - In the Linux kernel, the following vulnerability has been resolved: usb: gadget...
vendor_debian·2025·CVSS 5.5
CVE-2025-38558 [MEDIUM] CVE-2025-38558: linux - In the Linux kernel, the following vulnerability has been resolved: usb: gadget...
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Initialize frame-based format color matching descriptor Fix NULL pointer crash in uvcg_framebased_make due to uninitialized color matching descriptor for frame-based format which was added in commit f5e7bdd34aca ("usb: gadget: uvc: Allow creating new color matching descriptors") that added handling for uncompressed and mjpeg format. Crash is seen when userspace configuration (via configfs) does not explicitly define the color matching descriptor. If color_matching is not found, config_group_find_item() returns NULL. The code then jumps to out_put_cm, where it calls config_item_put(color_matching);. If color_matching is NULL, this will dereference a null pointer, leading to a crash. [ 2.746440] Unable to h
OSV
linux-azure, linux-azure-6.14 vulnerabilities
osv·2025-12-15·CVSS 3.2
CVE-2024-36331 [LOW] linux-azure, linux-azure-6.14 vulnerabilities
linux-azure, linux-azure-6.14 vulnerabilities
It was discovered that improper initialization of CPU cache memory could
allow a local attacker with hypervisor access to overwrite SEV-SNP guest
memory resulting in loss of data integrity. (CVE-2024-36331)
Jean-Claude Graf, Sandro Rüegge, Ali Hajiabadi, and Kaveh Razavi discovered
that the Linux kernel contained insufficient branch predictor isolation
between a guest and a userspace hypervisor for certain processors. This
flaw is known as VMSCAPE. An attacker in a guest VM could possibly use this
to expose sensitive information from the host OS. (CVE-2025-40300)
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:
-
OSV
linux-gcp-6.14, linux-raspi vulnerabilities
osv·2025-12-04·CVSS 3.2
CVE-2024-36331 [LOW] linux-gcp-6.14, linux-raspi vulnerabilities
linux-gcp-6.14, linux-raspi vulnerabilities
It was discovered that improper initialization of CPU cache memory could
allow a local attacker with hypervisor access to overwrite SEV-SNP guest
memory resulting in loss of data integrity. (CVE-2024-36331)
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:
- ARM64 architecture;
- PowerPC architecture;
- S390 architecture;
- x86 architecture;
- Network block device driver;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- Hardware crypto device drivers;
- Device frequency scaling framework;
- DMA engine subsystem;
- EDAC drivers;
- GPU drivers;
- HID subsystem;
- Har
OSV
linux-aws-6.14, linux-oracle-6.14 vulnerabilities
osv·2025-11-26·CVSS 3.2
CVE-2024-36331 [LOW] linux-aws-6.14, linux-oracle-6.14 vulnerabilities
linux-aws-6.14, linux-oracle-6.14 vulnerabilities
It was discovered that improper initialization of CPU cache memory could
allow a local attacker with hypervisor access to overwrite SEV-SNP guest
memory resulting in loss of data integrity. (CVE-2024-36331)
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:
- ARM64 architecture;
- PowerPC architecture;
- S390 architecture;
- x86 architecture;
- Network block device driver;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- Hardware crypto device drivers;
- Device frequency scaling framework;
- DMA engine subsystem;
- EDAC drivers;
- GPU drivers;
- HID subsystem;
OSV
linux-oem-6.14 vulnerabilities
osv·2025-11-21·CVSS 3.2
CVE-2024-36331 [LOW] linux-oem-6.14 vulnerabilities
linux-oem-6.14 vulnerabilities
It was discovered that improper initialization of CPU cache memory could
allow a local attacker with hypervisor access to overwrite SEV-SNP guest
memory resulting in loss of data integrity. (CVE-2024-36331)
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:
- ARM64 architecture;
- PowerPC architecture;
- S390 architecture;
- x86 architecture;
- Network block device driver;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- Hardware crypto device drivers;
- Device frequency scaling framework;
- DMA engine subsystem;
- GPU drivers;
- HID subsystem;
- Hardware monitoring drivers;
- I
OSV
linux, linux-aws, linux-gcp, linux-hwe-6.14, linux-oracle, linux-realtime vulnerabilities
osv·2025-11-21·CVSS 3.2
CVE-2024-36331 [LOW] linux, linux-aws, linux-gcp, linux-hwe-6.14, linux-oracle, linux-realtime vulnerabilities
linux, linux-aws, linux-gcp, linux-hwe-6.14, linux-oracle, linux-realtime vulnerabilities
It was discovered that improper initialization of CPU cache memory could
allow a local attacker with hypervisor access to overwrite SEV-SNP guest
memory resulting in loss of data integrity. (CVE-2024-36331)
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:
- ARM64 architecture;
- PowerPC architecture;
- S390 architecture;
- x86 architecture;
- Network block device driver;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- Hardware crypto device drivers;
- Device frequency scaling framework;
- DMA engine subsystem;
- EDAC
OSV
linux-realtime-6.14 vulnerabilities
osv·2025-11-21·CVSS 3.2
CVE-2024-36331 [LOW] linux-realtime-6.14 vulnerabilities
linux-realtime-6.14 vulnerabilities
It was discovered that improper initialization of CPU cache memory could
allow a local attacker with hypervisor access to overwrite SEV-SNP guest
memory resulting in loss of data integrity. (CVE-2024-36331)
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:
- ARM64 architecture;
- PowerPC architecture;
- S390 architecture;
- x86 architecture;
- Network block device driver;
- Character device driver;
- Clock framework and drivers;
- Data acquisition framework and drivers;
- Hardware crypto device drivers;
- Device frequency scaling framework;
- DMA engine subsystem;
- EDAC drivers;
- GPU drivers;
- HID subsystem;
- Hardware mo
OSV
CVE-2025-38558: In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Initialize frame-based format color matching descriptor Fix NULL
osv·2025-08-19·CVSS 5.5
CVE-2025-38558 [MEDIUM] CVE-2025-38558: In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Initialize frame-based format color matching descriptor Fix NULL
In the Linux kernel, the following vulnerability has been resolved: usb: gadget: uvc: Initialize frame-based format color matching descriptor Fix NULL pointer crash in uvcg_framebased_make due to uninitialized color matching descriptor for frame-based format which was added in commit f5e7bdd34aca ("usb: gadget: uvc: Allow creating new color matching descriptors") that added handling for uncompressed and mjpeg format. Crash is seen when userspace configuration (via configfs) does not explicitly define the color matching descriptor. If color_matching is not found, config_group_find_item() returns NULL. The code then jumps to out_put_cm, where it calls config_item_put(color_matching);. If color_matching is NULL, this will dereference a null pointer, leading to a crash. [ 2.746440] Unable to h
GHSA
GHSA-42jr-fvmf-q363: In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: uvc: Initialize frame-based format color matching descriptor
Fix NU
ghsa_unreviewed·2025-08-19
CVE-2025-38558 [MEDIUM] CWE-476 GHSA-42jr-fvmf-q363: In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: uvc: Initialize frame-based format color matching descriptor
Fix NU
In the Linux kernel, the following vulnerability has been resolved:
usb: gadget: uvc: Initialize frame-based format color matching descriptor
Fix NULL pointer crash in uvcg_framebased_make due to uninitialized color
matching descriptor for frame-based format which was added in
commit f5e7bdd34aca ("usb: gadget: uvc: Allow creating new color matching
descriptors") that added handling for uncompressed and mjpeg format.
Crash is seen when userspace configuration (via configfs) does not
explicitly define the color matching descriptor. If color_matching is not
found, config_group_find_item() returns NULL. The code then jumps to
out_put_cm, where it calls config_item_put(color_matching);. If
color_matching is NULL, this will dereference a null pointer, leading to a
crash.
[ 2.746440] Unable
No detection rules found.
No public exploits indexed.
2025-08-19
Published