ghsa-8g4h-m7m7-62x8
Vulnerability from github
In the Linux kernel, the following vulnerability has been resolved:
media: ov2740: Fix memleak in ov2740_init_controls()
There is a kmemleak when testing the media/i2c/ov2740.c with bpf mock device:
unreferenced object 0xffff8881090e19e0 (size 16): comm "51-i2c-ov2740", pid 278, jiffies 4294781584 (age 23.613s) hex dump (first 16 bytes): 00 f3 7c 0b 81 88 ff ff 80 75 6a 09 81 88 ff ff ..|......uj..... backtrace: [<000000004e9fad8f>] __kmalloc_node+0x44/0x1b0 [<0000000039c802f4>] kvmalloc_node+0x34/0x180 [<000000009b8b5c63>] v4l2_ctrl_handler_init_class+0x11d/0x180 [videodev] [<0000000038644056>] ov2740_probe+0x37d/0x84f [ov2740] [<0000000092489f59>] i2c_device_probe+0x28d/0x680 [<000000001038babe>] really_probe+0x17c/0x3f0 [<0000000098c7af1c>] __driver_probe_device+0xe3/0x170 [<00000000e1b3dc24>] device_driver_attach+0x34/0x80 [<000000005a04a34d>] bind_store+0x10b/0x1a0 [<00000000ce25d4f2>] drv_attr_store+0x49/0x70 [<000000007d9f4e9a>] sysfs_kf_write+0x8c/0xb0 [<00000000be6cff0f>] kernfs_fop_write_iter+0x216/0x2e0 [<0000000031ddb40a>] vfs_write+0x658/0x810 [<0000000041beecdd>] ksys_write+0xd6/0x1b0 [<0000000023755840>] do_syscall_64+0x38/0x90 [<00000000b2cc2da2>] entry_SYSCALL_64_after_hwframe+0x63/0xcd
ov2740_init_controls() won't clean all the allocated resources in fail path, which may causes the memleaks. Add v4l2_ctrl_handler_free() to prevent memleak.
{
"affected": [],
"aliases": [
"CVE-2023-53349"
],
"database_specific": {
"cwe_ids": [],
"github_reviewed": false,
"github_reviewed_at": null,
"nvd_published_at": "2025-09-17T15:15:38Z",
"severity": null
},
"details": "In the Linux kernel, the following vulnerability has been resolved:\n\nmedia: ov2740: Fix memleak in ov2740_init_controls()\n\nThere is a kmemleak when testing the media/i2c/ov2740.c with bpf mock\ndevice:\n\nunreferenced object 0xffff8881090e19e0 (size 16):\n comm \"51-i2c-ov2740\", pid 278, jiffies 4294781584 (age 23.613s)\n hex dump (first 16 bytes):\n 00 f3 7c 0b 81 88 ff ff 80 75 6a 09 81 88 ff ff ..|......uj.....\n backtrace:\n [\u003c000000004e9fad8f\u003e] __kmalloc_node+0x44/0x1b0\n [\u003c0000000039c802f4\u003e] kvmalloc_node+0x34/0x180\n [\u003c000000009b8b5c63\u003e] v4l2_ctrl_handler_init_class+0x11d/0x180\n[videodev]\n [\u003c0000000038644056\u003e] ov2740_probe+0x37d/0x84f [ov2740]\n [\u003c0000000092489f59\u003e] i2c_device_probe+0x28d/0x680\n [\u003c000000001038babe\u003e] really_probe+0x17c/0x3f0\n [\u003c0000000098c7af1c\u003e] __driver_probe_device+0xe3/0x170\n [\u003c00000000e1b3dc24\u003e] device_driver_attach+0x34/0x80\n [\u003c000000005a04a34d\u003e] bind_store+0x10b/0x1a0\n [\u003c00000000ce25d4f2\u003e] drv_attr_store+0x49/0x70\n [\u003c000000007d9f4e9a\u003e] sysfs_kf_write+0x8c/0xb0\n [\u003c00000000be6cff0f\u003e] kernfs_fop_write_iter+0x216/0x2e0\n [\u003c0000000031ddb40a\u003e] vfs_write+0x658/0x810\n [\u003c0000000041beecdd\u003e] ksys_write+0xd6/0x1b0\n [\u003c0000000023755840\u003e] do_syscall_64+0x38/0x90\n [\u003c00000000b2cc2da2\u003e] entry_SYSCALL_64_after_hwframe+0x63/0xcd\n\nov2740_init_controls() won\u0027t clean all the allocated resources in fail\npath, which may causes the memleaks. Add v4l2_ctrl_handler_free() to\nprevent memleak.",
"id": "GHSA-8g4h-m7m7-62x8",
"modified": "2025-09-17T15:30:38Z",
"published": "2025-09-17T15:30:38Z",
"references": [
{
"type": "ADVISORY",
"url": "https://nvd.nist.gov/vuln/detail/CVE-2023-53349"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/2d899592ed7829d0d5140853bac4d58742a6b8af"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/3969b2ebc66039306f505c7c630c5530800f83c0"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/7c405ee63447f14eefcfe12a18aa749abbd596ea"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/a163ee11345d8322321c28bd61631de32455b987"
},
{
"type": "WEB",
"url": "https://git.kernel.org/stable/c/fc33380ae06f438b652f66b9370b543976ac8a03"
}
],
"schema_version": "1.4.0",
"severity": []
}
Sightings
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