{"id":"CVE-2025-71093","revision":null,"records":[{"revision":"345d58b89d6948399bdb325141d7a7a2","observedAt":"2026-10-23T15:48:27.903+00:00","statement":{"source":"cve-program","id":"CVE-2025-71093","aliases":[],"title":"e1000: fix OOB in e1000_tbi_should_accept()","description":"In the Linux kernel, the following vulnerability has been resolved:\n\ne1000: fix OOB in e1000_tbi_should_accept()\n\nIn e1000_tbi_should_accept() we read the last byte of the frame via\n'data[length - 1]' to evaluate the TBI workaround. If the descriptor-\nreported length is zero or larger than the actual RX buffer size, this\nread goes out of bounds and can hit unrelated slab objects. The issue\nis observed from the NAPI receive path (e1000_clean_rx_irq):\n\n==================================================================\nBUG: KASAN: slab-out-of-bounds in e1000_tbi_should_accept+0x610/0x790\nRead of size 1 at addr ffff888014114e54 by task sshd/363\n\nCPU: 0 PID: 363 Comm: sshd Not tainted 5.18.0-rc1 #1\nHardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS rel-1.12.0-59-gc9ba5276e321-prebuilt.qemu.org 04/01/2014\nCall Trace:\n <IRQ>\n dump_stack_lvl+0x5a/0x74\n print_address_description+0x7b/0x440\n print_report+0x101/0x200\n kasan_report+0xc1/0xf0\n e1000_tbi_should_accept+0x610/0x790\n e1000_clean_rx_irq+0xa8c/0x1110\n e1000_clean+0xde2/0x3c10\n __napi_poll+0x98/0x380\n net_rx_action+0x491/0xa20\n __do_softirq+0x2c9/0x61d\n do_softirq+0xd1/0x120\n </IRQ>\n <TASK>\n __local_bh_enable_ip+0xfe/0x130\n ip_finish_output2+0x7d5/0xb00\n __ip_queue_xmit+0xe24/0x1ab0\n __tcp_transmit_skb+0x1bcb/0x3340\n tcp_write_xmit+0x175d/0x6bd0\n __tcp_push_pending_frames+0x7b/0x280\n tcp_sendmsg_locked+0x2e4f/0x32d0\n tcp_sendmsg+0x24/0x40\n sock_write_iter+0x322/0x430\n vfs_write+0x56c/0xa60\n ksys_write+0xd1/0x190\n do_syscall_64+0x43/0x90\n entry_SYSCALL_64_after_hwframe+0x44/0xae\nRIP: 0033:0x7f511b476b10\nCode: 73 01 c3 48 8b 0d 88 d3 2b 00 f7 d8 64 89 01 48 83 c8 ff c3 66 0f 1f 44 00 00 83 3d f9 2b 2c 00 00 75 10 b8 01 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 31 c3 48 83 ec 08 e8 8e 9b 01 00 48 89 04 24\nRSP: 002b:00007ffc9211d4e8 EFLAGS: 00000246 ORIG_RAX: 0000000000000001\nRAX: ffffffffffffffda RBX: 0000000000004024 RCX: 00007f511b476b10\nRDX: 0000000000004024 RSI: 0000559a9385962c RDI: 0000000000000003\nRBP: 0000559a9383a400 R08: fffffffffffffff0 R09: 0000000000004f00\nR10: 0000000000000070 R11: 0000000000000246 R12: 0000000000000000\nR13: 00007ffc9211d57f R14: 0000559a9347bde7 R15: 0000000000000003\n </TASK>\nAllocated by task 1:\n __kasan_krealloc+0x131/0x1c0\n krealloc+0x90/0xc0\n add_sysfs_param+0xcb/0x8a0\n kernel_add_sysfs_param+0x81/0xd4\n param_sysfs_builtin+0x138/0x1a6\n param_sysfs_init+0x57/0x5b\n do_one_initcall+0x104/0x250\n do_initcall_level+0x102/0x132\n do_initcalls+0x46/0x74\n kernel_init_freeable+0x28f/0x393\n kernel_init+0x14/0x1a0\n ret_from_fork+0x22/0x30\nThe buggy address belongs to the object at ffff888014114000\n which belongs to the cache kmalloc-2k of size 2048\nThe buggy address is located 1620 bytes to the right of\n 2048-byte region [ffff888014114000, ffff888014114800]\nThe buggy address belongs to the physical page:\npage:ffffea0000504400 refcount:1 mapcount:0 mapping:0000000000000000 index:0x0 pfn:0x14110\nhead:ffffea0000504400 order:3 compound_mapcount:0 compound_pincount:0\nflags: 0x100000000010200(slab|head|node=0|zone=1)\nraw: 0100000000010200 0000000000000000 dead000000000001 ffff888013442000\nraw: 0000000000000000 0000000000080008 00000001ffffffff 0000000000000000\npage dumped because: kasan: bad access detected\n==================================================================\n\nThis happens because the TBI check unconditionally dereferences the last\nbyte without validating the reported length first:\n\n\tu8 last_byte = *(data + length - 1);\n\nFix by rejecting the frame early if the length is zero, or if it exceeds\nadapter->rx_buffer_len. This preserves the TBI workaround semantics for\nvalid frames and prevents touching memory beyond the RX buffer.","state":0,"publishedAt":"2026-01-13T15:34:53.803+00:00","modifiedAt":"2026-10-19T18:15:12.319+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/intel/e1000/e1000_main.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"2037110c96d5f1dd71453fcd0d54e79be12a352b\",\n                            \"lessThan\": \"4ccfa56f272241e8d8e2c38191fdbb03df489d80\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2037110c96d5f1dd71453fcd0d54e79be12a352b\",\n                            \"lessThan\": \"278b7cfe0d4da7502c7fd679b15032f014c92892\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2037110c96d5f1dd71453fcd0d54e79be12a352b\",\n                            \"lessThan\": \"ad7a2a45e2417ac54089926b520924f8f0d91aea\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2037110c96d5f1dd71453fcd0d54e79be12a352b\",\n                            \"lessThan\": \"2c4c0c09f9648ba766d399917d420d03e7b3e1f8\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2037110c96d5f1dd71453fcd0d54e79be12a352b\",\n                            \"lessThan\": \"26c8bebc2f25288c2bcac7bc0a7662279a0e817c\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2037110c96d5f1dd71453fcd0d54e79be12a352b\",\n                            \"lessThan\": \"ee7c125fb3e8b04dd46510130b9fc92380e5d578\",\n                            \"status\": \"affected\",\n                            \"versionType\": \"git\"\n                        },\n                        {\n                            \"version\": \"2037110c96d5f1dd71453fcd0d54e79be12a352b\",\n                            \"lessThan\": \"9c72a5182ed92904d01057f208c390a303f00a0f\",\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/intel/e1000/e1000_main.c\"\n                    ],\n                    \"versions\": [\n                        {\n                            \"version\": \"3.18\",\n                            \"status\": \"affected\"\n                        },\n                        {\n                            \"version\": \"0\",\n                            \"lessThan\": \"3.18\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.10.248\",\n                            \"lessThanOrEqual\": \"5.10.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"5.15.198\",\n                            \"lessThanOrEqual\": \"5.15.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.1.160\",\n                            \"lessThanOrEqual\": \"6.1.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.6.120\",\n                            \"lessThanOrEqual\": \"6.6.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.12.64\",\n                            \"lessThanOrEqual\": \"6.12.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.18.4\",\n                            \"lessThanOrEqual\": \"6.18.*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"semver\"\n                        },\n                        {\n                            \"version\": \"6.19\",\n                            \"lessThanOrEqual\": \"*\",\n                            \"status\": \"unaffected\",\n                            \"versionType\": \"original_commit_for_fix\"\n                        }\n                    ]\n                }"}],"metrics":[{"system":"CVSS 3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","score":9.1,"severity":"CRITICAL"}],"references":["https://git.kernel.org/stable/c/4ccfa56f272241e8d8e2c38191fdbb03df489d80","https://git.kernel.org/stable/c/278b7cfe0d4da7502c7fd679b15032f014c92892","https://git.kernel.org/stable/c/ad7a2a45e2417ac54089926b520924f8f0d91aea","https://git.kernel.org/stable/c/2c4c0c09f9648ba766d399917d420d03e7b3e1f8","https://git.kernel.org/stable/c/26c8bebc2f25288c2bcac7bc0a7662279a0e817c","https://git.kernel.org/stable/c/ee7c125fb3e8b04dd46510130b9fc92380e5d578","https://git.kernel.org/stable/c/9c72a5182ed92904d01057f208c390a303f00a0f"],"sourceUrl":"https://www.cve.org/CVERecord?id=CVE-2025-71093","license":"CVE Program Terms of Use","key":"cve-program:CVE-2025-71093","identifiers":["CVE-2025-71093"]},"retained":false,"historicalAffected":[]}],"coverage":[{"source":"cisa-kev:global","scope":"Complete CISA KEV catalog; all vendors. Missing entries do not establish absence of exploitation.","generation":"2026-11-08T22:02:16.0606753+00:00","complete":true,"records":1769,"lastAttemptAt":"2026-11-08T22:02:16.0606753+00:00","lastSuccessAt":"2026-11-08T22:02:16.2994172+00:00","error":null,"lastVerifiedAt":"2026-11-08T22:02:16.2994182+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"cve-program","scope":"Official CVE Program baseline and cumulative hourly delta; all vendors, published and rejected records","generation":"cve-eaa64dac63caa79c8d4905619258c41c51b39e461b996124e1a21b5e85e7e738-5c1b3bec2d88ca854826c6481a0dc8d7444a0d42f1465638fb0ec19ea1213afc","complete":true,"records":421267,"lastAttemptAt":"2026-11-08T22:02:15.5779251+00:00","lastSuccessAt":"2026-11-08T22:02:15.4942534+00:00","error":null,"lastVerifiedAt":"2026-11-08T22:02:15.5779251+00:00","snapshotPublishedAt":"2026-11-08T21:27:04+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"euvd","scope":"Rolling EUVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global EUVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-fd9e659eac384b31b6b54c14a478a6b6","complete":true,"records":13654,"lastAttemptAt":"2026-11-08T22:02:46.9922536+00:00","lastSuccessAt":"2026-11-08T22:02:46.989+00:00","error":null,"lastVerifiedAt":"2026-11-08T22:02:46.989+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13706,"expectedIdentifiers":13706,"failedIdentifiers":0},{"source":"first-epss:nuget","scope":"FIRST EPSS for explicit CVE aliases in the collected public NuGet archive. Not a global EPSS backfill.","generation":"2026-11-08T22:02:16.0606753+00:00","complete":true,"records":1096,"lastAttemptAt":"2026-11-08T22:02:16.0606753+00:00","lastSuccessAt":"2026-11-08T22:02:16.3005264+00:00","error":null,"lastVerifiedAt":"2026-11-08T22:02:16.3005266+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"nvd","scope":"Rolling NVD lookups of CVE aliases in current public OSV archives; 500 identifiers per refresh, rechecked after 48 hours. Not a global NVD catalog. Successful not-found lookups count as checked; they do not imply withdrawal or safety. No reader inventory is sent.","generation":"enrichment-d44f9ddfc3b944cf9f918f0296ab9362","complete":true,"records":13666,"lastAttemptAt":"2026-11-08T22:02:41.4763214+00:00","lastSuccessAt":"2026-11-08T22:02:41.472+00:00","error":null,"lastVerifiedAt":"2026-11-08T22:02:41.472+00:00","snapshotPublishedAt":null,"importing":false,"stagedRecords":0,"checkedIdentifiers":13706,"expectedIdentifiers":13706,"failedIdentifiers":0},{"source":"osv:Go","scope":"Complete OSV Go ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"go-980593e6977a6d1b4fb1eed5a1ffe88a468736f89f0a06f710924ad59132c023","complete":true,"records":9914,"lastAttemptAt":"2026-11-08T22:02:15.9240904+00:00","lastSuccessAt":"2026-11-08T11:07:07.068788+00:00","error":null,"lastVerifiedAt":"2026-11-08T22:02:15.9240904+00:00","snapshotPublishedAt":"2026-11-08T11:02:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:NuGet","scope":"Complete OSV NuGet ecosystem archive, including GitHub Advisory Database records; NuGet version matching only","generation":"nuget-fde804134ecdda0ddd5ff5c26ee1fff5a6fa659311f7ef2e51c6ad54964db0e2","complete":true,"records":1971,"lastAttemptAt":"2026-11-08T22:02:15.7236649+00:00","lastSuccessAt":"2026-11-06T19:03:17.0399903+00:00","error":null,"lastVerifiedAt":"2026-11-08T22:02:15.7236649+00:00","snapshotPublishedAt":"2026-11-06T18:17:57+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:crates.io","scope":"Complete OSV crates.io ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"crates.io-964c14035e6f0f6478b2870fad6a7ef9f6045876d4a12af2c2e514521e54b6af","complete":true,"records":3055,"lastAttemptAt":"2026-11-08T22:02:16.0280445+00:00","lastSuccessAt":"2026-11-08T11:07:12.1927025+00:00","error":null,"lastVerifiedAt":"2026-11-08T22:02:16.0280445+00:00","snapshotPublishedAt":"2026-11-08T11:02:46+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null},{"source":"osv:npm","scope":"Complete OSV npm ecosystem archive, including withdrawn and malicious-package source records; statement counts are not unique CVE counts","generation":"npm-f8647d7ba64b1ba0dfdc7130944766d5b36d5b77d18fff0c79e651a4cff3c2b9","complete":true,"records":231293,"lastAttemptAt":"2026-11-08T22:02:15.8267172+00:00","lastSuccessAt":"2026-11-08T11:06:56.2918717+00:00","error":null,"lastVerifiedAt":"2026-11-08T22:02:15.8267172+00:00","snapshotPublishedAt":"2026-11-08T11:02:50+00:00","importing":false,"stagedRecords":0,"checkedIdentifiers":null,"expectedIdentifiers":null,"failedIdentifiers":null}]}