CVE-2025-71120
N/A
N/A
Summary
In the Linux kernel, the following vulnerability has been resolved:
SUNRPC: svcauth_gss: avoid NULL deref on zero length gss_token in gss_read_proxy_verf
A zero length gss_token results in pages == 0 and in_token->pages[0] is NULL. The code unconditionally evaluates page_address(in_token->pages[0]) for the initial memcpy, which can dereference NULL even when the copy length is 0. Guard the first memcpy so it only runs when length > 0.
Affected Software
| Vendor | Product | Version Range | Status |
|---|---|---|---|
| Linux | Linux | 5866efa8cbfbadf3905072798e96652faf02dbe8 < a8f1e445ce3545c90d69c9e8ff8f7821825fe810 | affected |
| Linux | Linux | 5866efa8cbfbadf3905072798e96652faf02dbe8 < 4dedb6a11243a5c9eb9dbb97bca3c98bd725e83d | affected |
| Linux | Linux | 5866efa8cbfbadf3905072798e96652faf02dbe8 < f9e53f69ac3bc4ef568b08d3542edac02e83fefd | affected |
| Linux | Linux | 5866efa8cbfbadf3905072798e96652faf02dbe8 < 7452d53f293379e2c38cfa8ad0694aa46fc4788b | affected |
| Linux | Linux | 5866efa8cbfbadf3905072798e96652faf02dbe8 < a2c6f25ab98b423f99ccd94874d655b8bcb01a19 | affected |
| Linux | Linux | 5866efa8cbfbadf3905072798e96652faf02dbe8 < 1c8bb965e9b0559ff0f5690615a527c30f651dd8 | affected |
| Linux | Linux | 5866efa8cbfbadf3905072798e96652faf02dbe8 < d4b69a6186b215d2dc1ebcab965ed88e8d41768d | affected |
| Linux | Linux | 66ed7b413d31c6ff23901ac4443b1cc1af2f6113 | affected |
| Linux | Linux | 7be8c165dc81564705e8e0b72d398ef708f67eaa | affected |
| Linux | Linux | 4.19.99 < 4.20 | affected |
| Linux | Linux | 5.4.15 < 5.5 | affected |
| Linux | Linux | 5.5 | affected |
| Linux | Linux | 0 < 5.5 | unaffected |
| Linux | Linux | 5.10.248 <= 5.10.* | unaffected |
| Linux | Linux | 5.15.198 <= 5.15.* | unaffected |
| Linux | Linux | 6.1.160 <= 6.1.* | unaffected |
| Linux | Linux | 6.6.120 <= 6.6.* | unaffected |
| Linux | Linux | 6.12.64 <= 6.12.* | unaffected |
| Linux | Linux | 6.18.3 <= 6.18.* | unaffected |
| Linux | Linux | 6.19 <= * | unaffected |
Weaknesses
ADP Enrichment
CISA ADP Vulnrichment
- SSVC:
- Exploitation: none
- Automatable: no
- Technical Impact: partial
References
- https://git.kernel.org/stable/c/a8f1e445ce3545c90d69c9e8ff8f7821825fe810
- https://git.kernel.org/stable/c/4dedb6a11243a5c9eb9dbb97bca3c98bd725e83d
- https://git.kernel.org/stable/c/f9e53f69ac3bc4ef568b08d3542edac02e83fefd
- https://git.kernel.org/stable/c/7452d53f293379e2c38cfa8ad0694aa46fc4788b
- https://git.kernel.org/stable/c/a2c6f25ab98b423f99ccd94874d655b8bcb01a19
- https://git.kernel.org/stable/c/1c8bb965e9b0559ff0f5690615a527c30f651dd8
- https://git.kernel.org/stable/c/d4b69a6186b215d2dc1ebcab965ed88e8d41768d
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