[{"data":1,"prerenderedAt":-1},["ShallowReactive",2],{"repo-stars":3,"vuln-DEBIAN-CVE-2026-46133":6},{"stargazers_count":4,"fetched_at":5},8,"2026-09-19T04:32:17.889Z",{"id":7,"descriptions":8,"cisa":9,"weaknesses":10,"exploits":11,"aliases":12,"duplicate_of":9,"upstream":13,"downstream":16,"duplicates":17,"related":18,"reserved_at":9,"published_at":19,"modified_at":20,"state":9,"summary":21,"references_raw":23,"kevs":30,"epss":9,"epss_history":31,"metrics":32,"affected":39},"DEBIAN-CVE-2026-46133","In the Linux kernel, the following vulnerability has been resolved:  RDMA/rxe: Reject unknown opcodes before ICRC processing  Even after applying commit 7244491dab34 (\"RDMA/rxe: Validate pad and ICRC before payload_size() in rxe_rcv\"), a single unauthenticated UDP packet can still trigger panic.  That patch handled payload_size() underflow only for valid opcodes with short packets, not for packets carrying an unknown opcode.  The unknown-opcode OOB read described below predates that commit and reaches back to the initial Soft RoCE driver.  The check added there reads      pkt->paylen \u003C header_size(pkt) + bth_pad(pkt) + RXE_ICRC_SIZE  where header_size(pkt) expands to rxe_opcode[pkt->opcode].length.  The rxe_opcode[] array has 256 entries but is only populated for defined IB opcodes; any other entry (for example opcode 0xff) is zero-initialized, so length == 0 and the check degenerates to      pkt->paylen \u003C 0 + bth_pad(pkt) + RXE_ICRC_SIZE  which does not constrain pkt->paylen enough.  rxe_icrc_hdr() then computes      rxe_opcode[pkt->opcode].length - RXE_BTH_BYTES  which underflows when length == 0 and passes a huge value to rxe_crc32(), causing an out-of-bounds read of the skb payload.  Reproduced on v7.0-rc7 with that fix applied, QEMU/KVM with CONFIG_RDMA_RXE=y and CONFIG_KASAN=y, after      rdma link add rxe0 type rxe netdev eth0  A single 48-byte UDP packet to port 4791 with BTH opcode=0xff and QPN=IB_MULTICAST_QPN triggers:      BUG: KASAN: slab-out-of-bounds in crc32_le+0x115/0x170     Read of size 1 at addr ...     The buggy address is located 0 bytes to the right of      allocated 704-byte region     Call Trace:      crc32_le+0x115/0x170      rxe_icrc_hdr.isra.0+0x226/0x300      rxe_icrc_check+0x13f/0x3a0      rxe_rcv+0x6e1/0x16e0      rxe_udp_encap_recv+0x20a/0x320      udp_queue_rcv_one_skb+0x7ed/0x12c0  Subsequent packets with the same shape fault on unmapped memory and panic the kernel.  The trigger requires only module load and \"rdma link add\"; no QP, no connection, and no authentication.  Fix this by rejecting packets whose opcode has no rxe_opcode[] entry, detected via the zero mask or zero length, before any length arithmetic runs.",null,[],[],[],[14],{"_key":15},"CVE-2026-46133",[],[],[],"2026-05-28T10:16:28.863Z","2026-07-05T20:00:48.846974942Z",{"cisa_kev":22,"cisa_ransomware":22,"cisa_vendor":9,"epss_severity":9,"epss_score":9,"severity":9,"severity_score":9,"severity_version":9,"severity_source":9,"severity_vector":9,"severity_status":9},false,[24],{"url":25,"sources":26,"tags":28},"https://security-tracker.debian.org/tracker/CVE-2026-46133",[27],"osv_debian",[29],"Advisory",[],[],[33],{"source":27,"cvss_v2_0":9,"cvss_v3_0":9,"cvss_v3_1":34,"cvss_v4_0":9},{"baseScore":35,"baseSeverity":9,"vectorString":36,"impactScore":37,"exploitabilityScore":38},7.5,"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H",6,10,[40,64],{"ecosystem":41,"name":42,"vendor":43,"product":42,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":42,"source":9,"versions":45},"Debian","linux","debian","deb",[46,50,51,55,58,61],{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},"all",true,"ecosystem",{"version":47,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":9,"version_end_type":9,"fixed_in":9},{"version":52,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":53,"version_end_type":54,"fixed_in":9},"lt5_10_259_1","5.10.259-1","excluding",{"version":56,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":57,"version_end_type":54,"fixed_in":9},"lt6_1_176_1","6.1.176-1",{"version":59,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":60,"version_end_type":54,"fixed_in":9},"lt6_12_88_1","6.12.88-1",{"version":62,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":63,"version_end_type":54,"fixed_in":9},"lt7_0_7_1","7.0.7-1",{"ecosystem":41,"name":65,"vendor":43,"product":65,"cpe_part":9,"purl_type":44,"purl_namespace":43,"purl_name":65,"source":9,"versions":66},"linux-6.1",[67],{"version":68,"is_range":48,"range_type":49,"version_start":9,"version_start_type":9,"version_end":69,"version_end_type":54,"fixed_in":9},"lt6_1_176_1~deb11u1","6.1.176-1~deb11u1"]