fkie_cve-2021-47344
Vulnerability from fkie_nvd
Published
2024-05-21 15:15
Modified
2024-12-24 16:13
Severity ?
Summary
In the Linux kernel, the following vulnerability has been resolved:
media: zr364xx: fix memory leak in zr364xx_start_readpipe
syzbot reported memory leak in zr364xx driver.
The problem was in non-freed urb in case of
usb_submit_urb() fail.
backtrace:
[<ffffffff82baedf6>] kmalloc include/linux/slab.h:561 [inline]
[<ffffffff82baedf6>] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74
[<ffffffff82f7cce8>] zr364xx_start_readpipe+0x78/0x130 drivers/media/usb/zr364xx/zr364xx.c:1022
[<ffffffff84251dfc>] zr364xx_board_init drivers/media/usb/zr364xx/zr364xx.c:1383 [inline]
[<ffffffff84251dfc>] zr364xx_probe+0x6a3/0x851 drivers/media/usb/zr364xx/zr364xx.c:1516
[<ffffffff82bb6507>] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396
[<ffffffff826018a9>] really_probe+0x159/0x500 drivers/base/dd.c:576
References
Impacted products
| Vendor | Product | Version | |
|---|---|---|---|
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * | |
| linux | linux_kernel | * |
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"lang": "en",
"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: zr364xx: fix memory leak in zr364xx_start_readpipe\n\nsyzbot reported memory leak in zr364xx driver.\nThe problem was in non-freed urb in case of\nusb_submit_urb() fail.\n\nbacktrace:\n [\u003cffffffff82baedf6\u003e] kmalloc include/linux/slab.h:561 [inline]\n [\u003cffffffff82baedf6\u003e] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74\n [\u003cffffffff82f7cce8\u003e] zr364xx_start_readpipe+0x78/0x130 drivers/media/usb/zr364xx/zr364xx.c:1022\n [\u003cffffffff84251dfc\u003e] zr364xx_board_init drivers/media/usb/zr364xx/zr364xx.c:1383 [inline]\n [\u003cffffffff84251dfc\u003e] zr364xx_probe+0x6a3/0x851 drivers/media/usb/zr364xx/zr364xx.c:1516\n [\u003cffffffff82bb6507\u003e] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396\n [\u003cffffffff826018a9\u003e] really_probe+0x159/0x500 drivers/base/dd.c:576"
},
{
"lang": "es",
"value": " En el kernel de Linux, se resolvi\u00f3 la siguiente vulnerabilidad: medio: zr364xx: corrige la p\u00e9rdida de memoria en zr364xx_start_readpipe syzbot inform\u00f3 una p\u00e9rdida de memoria en el controlador zr364xx. El problema estaba en la urb no liberada en caso de que fallara usb_submit_urb(). seguimiento: [] kmalloc include/linux/slab.h:561 [en l\u00ednea] [] usb_alloc_urb+0x66/0xe0 drivers/usb/core/urb.c:74 [] zr364xx_start_readpipe+0x78/ 0x130 drivers/media/usb/zr364xx/zr364xx.c:1022 [] zr364xx_board_init drivers/media/usb/zr364xx/zr364xx.c:1383 [en l\u00ednea] [] 0x851 drivers/media/ usb/zr364xx/zr364xx.c:1516 [] usb_probe_interface+0x177/0x370 drivers/usb/core/driver.c:396 []really_probe+0x159/0x500 controladores/base/dd.c:576"
}
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"id": "CVE-2021-47344",
"lastModified": "2024-12-24T16:13:44.487",
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"confidentialityImpact": "NONE",
"integrityImpact": "NONE",
"privilegesRequired": "LOW",
"scope": "UNCHANGED",
"userInteraction": "NONE",
"vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
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