Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: ptp: Fix possible memory leak in ptp_clock_register() I got memory leak as follows when doing fault injection test: unreferenced object 0xffff88800906c618 (size 8): comm "i2c-idt82p33931", pid 4421, jiffies 4294948083 (age 13.188s) hex dump (first 8 bytes): 70 74 70 30 00 00 00 00 ptp0.... backtrace: [<00000000312ed458>] __kmalloc_track_caller+0x19f/0x3a0 [<0000000079f6e2ff>] kvasprintf+0xb5/0x150 [<0000000026aae54f>] kvasprintf_const+0x60/0x190 [<00000000f323a5f7>] kobject_set_name_vargs+0x56/0x150 [<000000004e35abdd>] dev_set_name+0xc0/0x100 [<00000000f20cfe25>] ptp_clock_register+0x9f4/0xd30 [ptp] [<000000008bb9f0de>] idt82p33_probe.cold+0x8b6/0x1561 [ptp_idt82p33] When posix_clock_register() returns an error, the name allocated in dev_set_name() will be leaked, the put_device() should be used to give up the device reference, then the name will be freed in kobject_cleanup() and other memory will be freed in ptp_clock_release().
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected a33121e5487b424339636b25c35d3a180eaa5f5e before f1c96d8085588e1b997a96214b409ac3be20b524; affected a33121e5487b424339636b25c35d3a180eaa5f5e before 95c0a0c5ec8839f8f21672be786e87a100319ca8; affected a33121e5487b424339636b25c35d3a180eaa5f5e before 4225fea1cb28370086e17e82c0f69bec2779dca0; affected 5230ef61882d2d14deb846eb6b48370694816e4c; affected 6f5e3bb7879ee1eb71c6c3cbaaffbb0da6cd7d57; affected 89e8fc989feaac00bf1a7f9a766289422e2f5768; affected 2dece4d6d13fe179ee3a5991811712725a56e2f7; affected 0393b8720128d5b39db8523e5bfbfc689f18c37c; affected bfa2e0cd3dfda64fde43c3dca3aeba298d2fe7ad; affected 3.16.83 before 3.17; affected 4.4.224 before 4.5; affected 4.9.224 before 4.10; affected 4.14.162 before 4.15; affected 4.19.93 before 4.20; affected 5.4.8 before 5.5 |
| Linux / Linux | affected 5.5; unaffected 0 before 5.5; unaffected 5.10.241 through 5.10.*; unaffected 5.14.15 through 5.14.*; unaffected 5.15 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/f1c96d8085588e1b997a96214b409ac3be20b524
- https://git.kernel.org/stable/c/95c0a0c5ec8839f8f21672be786e87a100319ca8
- https://git.kernel.org/stable/c/4225fea1cb28370086e17e82c0f69bec2779dca0
ADP enrichment
No English description supplied.
No references supplied.
No English description supplied.