CVE-2022-49242

Summary

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

ASoC: mxs: Fix error handling in mxs_sgtl5000_probe

This function only calls of_node_put() in the regular path. And it will cause refcount leak in error paths. For example, when codec_np is NULL, saif_np[0] and saif_np[1] are not NULL, it will cause leaks.

of_node_put() will check if the node pointer is NULL, so we can call it directly to release the refcount of regular pointers.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxe968194b45c4e8077dada75c5bae5660b37628fe < f16ad2c0e22687f80e5981c67374023f51c204b9affected
LinuxLinuxe968194b45c4e8077dada75c5bae5660b37628fe < 790d2628e3fcc819d8f5572eb5615113fb2e727aaffected
LinuxLinuxe968194b45c4e8077dada75c5bae5660b37628fe < f8d38056bcd220ea6f0802a5586d1a12ebcce849affected
LinuxLinuxe968194b45c4e8077dada75c5bae5660b37628fe < 67e12f1cb2f97468c12b59e21975eaa0f332e7d2affected
LinuxLinuxe968194b45c4e8077dada75c5bae5660b37628fe < 86b6cf989437e694fd0a15782b5a513853a739e0affected
LinuxLinuxe968194b45c4e8077dada75c5bae5660b37628fe < 44acdaf7acb60054d872bed18ce0e7db8ce900ceaffected
LinuxLinuxe968194b45c4e8077dada75c5bae5660b37628fe < d2923b48d99fe663cb93d8b481c93299fcd68656affected
LinuxLinuxe968194b45c4e8077dada75c5bae5660b37628fe < 8d880226c86f37624e2a5f3c6d92ac0ec3375f96affected
LinuxLinuxe968194b45c4e8077dada75c5bae5660b37628fe < 6ae0a4d8fec551ec581d620f0eb1fe31f755551caffected
LinuxLinux3.5affected
LinuxLinux0 < 3.5unaffected
LinuxLinux4.9.311 <= 4.9.*unaffected
LinuxLinux4.14.276 <= 4.14.*unaffected
LinuxLinux4.19.238 <= 4.19.*unaffected
LinuxLinux5.4.189 <= 5.4.*unaffected
LinuxLinux5.10.110 <= 5.10.*unaffected
LinuxLinux5.15.33 <= 5.15.*unaffected
LinuxLinux5.16.19 <= 5.16.*unaffected
LinuxLinux5.17.2 <= 5.17.*unaffected
LinuxLinux5.18 <= *unaffected

Weaknesses

ADP Enrichment

CISA ADP Vulnrichment

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

References