{"id":"CVE-2026-98052","revision":"043ef72b937a4c9bb6a37fba5a9bfe76","records":[{"revision":"043ef72b937a4c9bb6a37fba5a9bfe76","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2026-98052","aliases":[],"title":"net: bcmasp: clear txcb->last before writing each descriptor","description":"In the Linux kernel, the following vulnerability has been resolved:\n\nnet: bcmasp: clear txcb->last before writing each descriptor\n\nbcmasp_xmit() only wrote txcb->last = true for the final fragment\nof an SKB; non-final fragments left the field untouched.  If a\ndescriptor slot was reused while it still held a stale true from\na previous SKB (possible when tx_spb_ring_full() underreported\nfullness), bcmasp_tx_reclaim() would see last == true mid-SKB and\ncall dev_consume_skb_any() prematurely, freeing the sk_buff while\nits remaining fragments were still in flight.\n\nUnconditionally clear txcb->last before the conditional set so every\ndescriptor slot starts from a known false state regardless of what a\nprior transmission left behind.","state":0,"publishedAt":"2026-09-25T10:24:00.441+00:00","modifiedAt":"2026-10-19T09:12:58.121+00:00","affected":[{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"unaffected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"490cb412007de593e07c1d3e2b1ec4233886707c\",\n                            \"lessThan\": \"1e213ba7cb3b9dd97ac2e0a1054e6d0d1d91f5bc\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"490cb412007de593e07c1d3e2b1ec4233886707c\",\n                            \"lessThan\": \"9b26b54861ce05307d39a54ddedddf8747419614\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"490cb412007de593e07c1d3e2b1ec4233886707c\",\n                            \"lessThan\": \"47a5cecca925ceb175d5adf712e667acf78f475f\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"490cb412007de593e07c1d3e2b1ec4233886707c\",\n                            \"lessThan\": \"17e6ad484dea5ddf1c4a3d6ec77a5929161234de\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"490cb412007de593e07c1d3e2b1ec4233886707c\",\n                            \"lessThan\": \"18e5e0ec0e9282c897e2aa81a3e43ccaee03b003\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        }\n                    ]\n                }"},{"ecosystem":"Vendor product","name":"Linux","ranges":[],"versions":[],"rawVersionEvidence":"{\n                    \"product\": \"Linux\",\n                    \"vendor\": \"Linux\",\n                    \"defaultStatus\": \"affected\",\n                    \"repo\": \"https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git\",\n                    \"programFiles\": [\n                        \"drivers/net/ethernet/broadcom/asp2/bcmasp_intf.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"6.6\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"6.6\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.158\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.111\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.53\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.2.7\",\n                            \"lessThanOrEqual\": \"7.2.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"7.3\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","score":7.8,"severity":"HIGH"}],"references":["https://git.kernel.org/stable/c/1e213ba7cb3b9dd97ac2e0a1054e6d0d1d91f5bc","https://git.kernel.org/stable/c/9b26b54861ce05307d39a54ddedddf8747419614","https://git.kernel.org/stable/c/47a5cecca925ceb175d5adf712e667acf78f475f","https://git.kernel.org/stable/c/17e6ad484dea5ddf1c4a3d6ec77a5929161234de","https://git.kernel.org/stable/c/18e5e0ec0e9282c897e2aa81a3e43ccaee03b003"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2026-98052","license":"CVE Program Terms of Use","key":"cve-program:CVE-2026-98052","identifiers":["CVE-2026-98052"]},"retained":false,"historicalAffected":[]}],"coverage":[]}