CVE-2022-49680

Summary

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

ARM: exynos: Fix refcount leak in exynos_map_pmu

of_find_matching_node() returns a node pointer with refcount incremented, we should use of_node_put() on it when not need anymore. Add missing of_node_put() to avoid refcount leak. of_node_put() checks null pointer.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxfce9e5bb25264153f9f002eada41757118d25ba9 < 545ae5cbae839ce39bfe09828e413f1c916082deaffected
LinuxLinuxfce9e5bb25264153f9f002eada41757118d25ba9 < 31d09571bb071c20f6bdc0bb7ac1ef8dd2987c04affected
LinuxLinuxfce9e5bb25264153f9f002eada41757118d25ba9 < 7571bcecf01b69f0d3ec60ca41ce5d4c75411a4aaffected
LinuxLinuxfce9e5bb25264153f9f002eada41757118d25ba9 < f9b77a52937582a5b99a5a07e4ef1e2f48f87347affected
LinuxLinuxfce9e5bb25264153f9f002eada41757118d25ba9 < 68f28d52e6cbab8dcfa249cac4356d1d0573e868affected
LinuxLinuxfce9e5bb25264153f9f002eada41757118d25ba9 < d23f76018e17618559da9eea179d137362023f95affected
LinuxLinuxfce9e5bb25264153f9f002eada41757118d25ba9 < fc354856e9fad9cd36e2ad28f9da70716025055aaffected
LinuxLinuxfce9e5bb25264153f9f002eada41757118d25ba9 < c4c79525042a4a7df96b73477feaf232fe44ae81affected
LinuxLinux3.17affected
LinuxLinux0 < 3.17unaffected
LinuxLinux4.9.321 <= 4.9.*unaffected
LinuxLinux4.14.286 <= 4.14.*unaffected
LinuxLinux4.19.250 <= 4.19.*unaffected
LinuxLinux5.4.202 <= 5.4.*unaffected
LinuxLinux5.10.127 <= 5.10.*unaffected
LinuxLinux5.15.51 <= 5.15.*unaffected
LinuxLinux5.18.8 <= 5.18.*unaffected
LinuxLinux5.19 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References