CVE-2022-49922

Summary

In the Linux kernel, the following vulnerability has been resolved:

nfc: nfcmrvl: Fix potential memory leak in nfcmrvl_i2c_nci_send()

nfcmrvl_i2c_nci_send() will be called by nfcmrvl_nci_send(), and skb should be freed in nfcmrvl_i2c_nci_send(). However, nfcmrvl_nci_send() will only free skb when i2c_master_send() return >=0, which means skb will memleak when i2c_master_send() failed. Free skb no matter whether i2c_master_send() succeeds.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxb5b3e23e4cace008e1a30e8614a484d14dfd07a1 < dd0ee55ead91fbb16889dbe7ff0b0f7c9e4e849daffected
LinuxLinuxb5b3e23e4cace008e1a30e8614a484d14dfd07a1 < 825656ae61e73ddc05f585e6258d284c87064b10affected
LinuxLinuxb5b3e23e4cace008e1a30e8614a484d14dfd07a1 < c8e7d4a1166f063703955f1b2e765a6db5bf1771affected
LinuxLinuxb5b3e23e4cace008e1a30e8614a484d14dfd07a1 < f30060efcf18883748a0541aa41acef183cd9c0eaffected
LinuxLinuxb5b3e23e4cace008e1a30e8614a484d14dfd07a1 < 52438e734c1566f5e2bcd9a065d2d65e306c0555affected
LinuxLinuxb5b3e23e4cace008e1a30e8614a484d14dfd07a1 < 5dfdac5e3f8db5f4445228c44f64091045644a3baffected
LinuxLinuxb5b3e23e4cace008e1a30e8614a484d14dfd07a1 < 92a1df9c6da20c02cf9872f8b025a66ddb307aebaffected
LinuxLinuxb5b3e23e4cace008e1a30e8614a484d14dfd07a1 < 93d904a734a74c54d945a9884b4962977f1176cdaffected
LinuxLinux4.4affected
LinuxLinux0 < 4.4unaffected
LinuxLinux4.9.333 <= 4.9.*unaffected
LinuxLinux4.14.299 <= 4.14.*unaffected
LinuxLinux4.19.265 <= 4.19.*unaffected
LinuxLinux5.4.224 <= 5.4.*unaffected
LinuxLinux5.10.154 <= 5.10.*unaffected
LinuxLinux5.15.78 <= 5.15.*unaffected
LinuxLinux6.0.8 <= 6.0.*unaffected
LinuxLinux6.1 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References