https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Sat, 03 Oct 2026 02:34:55 +0000 https://cve.radiocsirt.org/vuln/cve-2021-47316 <p><strong>Affected:</strong> Linux, Siemens RUGGEDCOM RST2428P, Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family, Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family, Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>nfsd: fix NULL dereference in nfs3svc_encode_getaclres</p> <p>In error cases the dentry may be NULL.</p> <p>Before 20798dfe249a, the encoder also checked dentry and d_really_is_positive(dentry), but that looks like overkill to me--zero status should be enough to guarantee a positive dentry.</p> <p>This isn&#39;t the first time we&#39;ve seen an error-case NULL dereference hidden in the initialization of a local variable in an xdr encoder. But I went back through the other recent rewrites and didn&#39;t spot any similar bugs.</p> <p><strong>Affected:</strong> Linux, Siemens RUGGEDCOM RST2428P, Siemens SCALANCE XC-300/XR-300/XC-400/XR-500WG/XR-500 family, Siemens SCALANCE XCM-/XRM-/XCH-/XRH-300 family, Siemens SIMATIC S7-1500 TM MFP - GNU/Linux subsystem</p> <p>In the Linux kernel, the following vulnerability has been resolved:</p> <p>nfsd: fix NULL dereference in nfs3svc_encode_getaclres</p> <p>In error cases the dentry may be NULL.</p> <p>Before 20798dfe249a, the encoder also checked dentry and d_really_is_positive(dentry), but that looks like overkill to me--zero status should be enough to guarantee a positive dentry.</p> <p>This isn&#39;t the first time we&#39;ve seen an error-case NULL dereference hidden in the initialization of a local variable in an xdr encoder. But I went back through the other recent rewrites and didn&#39;t spot any similar bugs.</p> https://cve.radiocsirt.org/vuln/cve-2021-47316