CVE-2022-50772
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2022-50772
- Import Source
- https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2022-50772.json
- JSON Data
- https://api.osv.dev/v1/vulns/CVE-2022-50772
- Downstream
- Published
- 2025-12-24T13:06:01.170Z
- Modified
- 2025-12-24T20:31:06.204058Z
- Summary
- netdevsim: fix memory leak in nsim_bus_dev_new()
- Details
-
In the Linux kernel, the following vulnerability has been resolved:
netdevsim: fix memory leak in nsimbusdev_new()
If deviceregister() failed in nsimbusdevnew(), the value of reference in nsimbusdev->dev is 1. obj->name in nsimbusdev->dev will not be released.
unreferenced object 0xffff88810352c480 (size 16): comm "echo", pid 5691, jiffies 4294945921 (age 133.270s) hex dump (first 16 bytes): 6e 65 74 64 65 76 73 69 6d 31 00 00 00 00 00 00 netdevsim1...... backtrace: [<000000005e2e5e26>] _kmallocnodetrackcaller+0x3a/0xb0 [<0000000094ca4fc8>] kvasprintf+0xc3/0x160 [<00000000aad09bcc>] kvasprintfconst+0x55/0x180 [<000000009bac868d>] kobjectsetnamevargs+0x56/0x150 [<000000007c1a5d70>] devsetname+0xbb/0xf0 [<00000000ad0d126b>] deviceadd+0x1f8/0x1cb0 [<00000000c222ae24>] newdevicestore+0x3b6/0x5e0 [<0000000043593421>] busattrstore+0x72/0xa0 [<00000000cbb1833a>] sysfskfwrite+0x106/0x160 [<00000000d0dedb8a>] kernfsfopwriteiter+0x3a8/0x5a0 [<00000000770b66e2>] vfswrite+0x8f0/0xc80 [<0000000078bb39be>] ksyswrite+0x106/0x210 [<00000000005e55a4>] dosyscall64+0x35/0x80 [<00000000eaa40bbc>] entrySYSCALL64afterhwframe+0x46/0xb0
- Database specific
{ "cna_assigner": "Linux", "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50772.json" }- References
-
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- https://git.kernel.org/stable/c/77579e4065295071fbd9662f03430dca5b50b086
- https://git.kernel.org/stable/c/cf2010aa1c739bab067cbc90b690d28eaa0b47da
- https://github.com/CVEProject/cvelistV5/tree/main/cves/2022/50xxx/CVE-2022-50772.json
- https://nvd.nist.gov/vuln/detail/CVE-2022-50772
Affected packages
Git / git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
Affected ranges
- Type
- GIT
- Repo
- https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
- Events
-
Introduced40e4fe4ce115c409c3e2fbb247085103ef1cc755Fixed77579e4065295071fbd9662f03430dca5b50b086Fixedcf2010aa1c739bab067cbc90b690d28eaa0b47da