CVE-2022-49809

Summary

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

net/x25: Fix skb leak in x25_lapb_receive_frame()

x25_lapb_receive_frame() using skb_copy() to get a private copy of skb, the new skb should be freed in the undersized/fragmented skb error handling path. Otherwise there is a memory leak.

Affected Software

VendorProductVersion RangeStatus
LinuxLinuxcb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < fda0ba7c84b46d10947c687320804b9de149a921affected
LinuxLinuxcb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < dfcfbe4f2e4b2c81cff4e79b48502d97fda73118affected
LinuxLinuxcb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < 0ef17d966445358a55c5f4ccf2c73cca3e39192baffected
LinuxLinuxcb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < e109b41870db995cae25dfaf0cc3922f9028b1a1affected
LinuxLinuxcb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < 9f00da9c866d506998bf0a3f699ec900730472daaffected
LinuxLinuxcb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < c8baf1fc248b2e88642f094fea9509a9bf98c5bbaffected
LinuxLinuxcb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < 2d675be16a461310d738d93f9f1a00da62055c5aaffected
LinuxLinuxcb101ed2c3c7c0224d16953fe77bfb9d6c2cb9df < 2929cceb2fcf0ded7182562e4888afafece82cceaffected
LinuxLinux7f3ea0c12493c9ff38a13a89bcf08846b50c1f1caffected
LinuxLinux3.0.72 < 3.1affected
LinuxLinux3.1affected
LinuxLinux0 < 3.1unaffected
LinuxLinux4.9.334 <= 4.9.*unaffected
LinuxLinux4.14.300 <= 4.14.*unaffected
LinuxLinux4.19.267 <= 4.19.*unaffected
LinuxLinux5.4.225 <= 5.4.*unaffected
LinuxLinux5.10.156 <= 5.10.*unaffected
LinuxLinux5.15.80 <= 5.15.*unaffected
LinuxLinux6.0.10 <= 6.0.*unaffected
LinuxLinux6.1 <= *unaffected

Weaknesses

References