Description (CNA)
In the Linux kernel, the following vulnerability has been resolved: vxlan: do not reuse cached ip_hdr() value after skb_tunnel_check_pmtu() skb_tunnel_check_pmtu() can change skb->head. Reusing old_iph afer skb_tunnel_check_pmtu() can cause an UAF. Use instead ip_hdr(skb) as done in drivers/net/bareudp.c and drivers/net/geneve.c. Found by Sashiko.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Linux / Linux | affected 4cb47a8644cc9eb8ec81190a50e79e6530d0297f before 6b8bfce9d2f774d2c2243e0248e03efb99bba6c0; affected 4cb47a8644cc9eb8ec81190a50e79e6530d0297f before 9257f56ac47ef1976bcd056cf986a9988eeec67a; affected 4cb47a8644cc9eb8ec81190a50e79e6530d0297f before 8d435d68d71fb875876b722f4136caf74f2f48bd; affected 4cb47a8644cc9eb8ec81190a50e79e6530d0297f before dc3bfa050f873371e745bdf478b1f5b738e5733d; affected 4cb47a8644cc9eb8ec81190a50e79e6530d0297f before 609e63312c29aad18026a1d3222e123d4b6b0feb; affected 4cb47a8644cc9eb8ec81190a50e79e6530d0297f before 5303925e360527243b46a440a04667826bbc72b7; affected 4cb47a8644cc9eb8ec81190a50e79e6530d0297f before a493efd4336cf19122ae0e4cbb3d31b32d70deea; affected 4cb47a8644cc9eb8ec81190a50e79e6530d0297f before 7d9ef0cb271555d8cf39fefe6c981e1493b25ecf |
| Linux / Linux | affected 5.9; unaffected 0 before 5.9; unaffected 5.10.259 through 5.10.*; unaffected 5.15.210 through 5.15.*; unaffected 6.1.176 through 6.1.*; unaffected 6.6.143 through 6.6.*; unaffected 6.12.93 through 6.12.*; unaffected 6.18.35 through 6.18.*; unaffected 7.0.12 through 7.0.*; unaffected 7.1 through * |
CWE
No CWE identifiers supplied.
References
- https://git.kernel.org/stable/c/6b8bfce9d2f774d2c2243e0248e03efb99bba6c0
- https://git.kernel.org/stable/c/9257f56ac47ef1976bcd056cf986a9988eeec67a
- https://git.kernel.org/stable/c/8d435d68d71fb875876b722f4136caf74f2f48bd
- https://git.kernel.org/stable/c/dc3bfa050f873371e745bdf478b1f5b738e5733d
- https://git.kernel.org/stable/c/609e63312c29aad18026a1d3222e123d4b6b0feb
- https://git.kernel.org/stable/c/5303925e360527243b46a440a04667826bbc72b7
- https://git.kernel.org/stable/c/a493efd4336cf19122ae0e4cbb3d31b32d70deea
- https://git.kernel.org/stable/c/7d9ef0cb271555d8cf39fefe6c981e1493b25ecf
ADP enrichment
No English description supplied.
No references supplied.