{
  "affected": [
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:12",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:13",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.12.85-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    },
    {
      "ecosystem_specific": {
        "urgency": "not yet assigned"
      },
      "package": {
        "ecosystem": "Debian:14",
        "name": "linux"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "6.19.10-1"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ]
    }
  ],
  "details": "In the Linux kernel, the following vulnerability has been resolved:  scsi: hisi_sas: Fix NULL pointer exception during user_scan()  user_scan() invokes updated sas_user_scan() for channel 0, and if successful, iteratively scans remaining channels (1 to shost-\u003emax_channel) via scsi_scan_host_selected() in commit 37c4e72b0651 (\"scsi: Fix sas_user_scan() to handle wildcard and multi-channel scans\"). However, hisi_sas supports only one channel, and the current value of max_channel is 1. sas_user_scan() for channel 1 will trigger the following NULL pointer exception:  [  441.554662] Unable to handle kernel NULL pointer dereference at virtual address 00000000000008b0 [  441.554699] Mem abort info: [  441.554710]   ESR = 0x0000000096000004 [  441.554718]   EC = 0x25: DABT (current EL), IL = 32 bits [  441.554723]   SET = 0, FnV = 0 [  441.554726]   EA = 0, S1PTW = 0 [  441.554730]   FSC = 0x04: level 0 translation fault [  441.554735] Data abort info: [  441.554737]   ISV = 0, ISS = 0x00000004, ISS2 = 0x00000000 [  441.554742]   CM = 0, WnR = 0, TnD = 0, TagAccess = 0 [  441.554747]   GCS = 0, Overlay = 0, DirtyBit = 0, Xs = 0 [  441.554752] user pgtable: 4k pages, 48-bit VAs, pgdp=00000828377a6000 [  441.554757] [00000000000008b0] pgd=0000000000000000, p4d=0000000000000000 [  441.554769] Internal error: Oops: 0000000096000004 [#1]  SMP [  441.629589] Modules linked in: arm_spe_pmu arm_smmuv3_pmu tpm_tis_spi hisi_uncore_sllc_pmu hisi_uncore_pa_pmu hisi_uncore_l3c_pmu hisi_uncore_hha_pmu hisi_uncore_ddrc_pmu hisi_uncore_cpa_pmu hns3_pmu hisi_ptt hisi_pcie_pmu tpm_tis_core spidev spi_hisi_sfc_v3xx hisi_uncore_pmu spi_dw_mmio fuse hclge hclge_common hisi_sec2 hisi_hpre hisi_zip hisi_qm hns3 hisi_sas_v3_hw sm3_ce sbsa_gwdt hnae3 hisi_sas_main uacce hisi_dma i2c_hisi dm_mirror dm_region_hash dm_log dm_mod [  441.670819] CPU: 46 UID: 0 PID: 6994 Comm: bash Kdump: loaded Not tainted 7.0.0-rc2+ #84 PREEMPT [  441.691327] pstate: 81400009 (Nzcv daif +PAN -UAO -TCO +DIT -SSBS BTYPE=--) [  441.698277] pc : sas_find_dev_by_rphy+0x44/0x118 [  441.702896] lr : sas_find_dev_by_rphy+0x3c/0x118 [  441.707502] sp : ffff80009abbba40 [  441.710805] x29: ffff80009abbba40 x28: ffff082819a40008 x27: ffff082810c37c08 [  441.717930] x26: ffff082810c37c28 x25: ffff082819a40290 x24: ffff082810c37c00 [  441.725054] x23: 0000000000000000 x22: 0000000000000001 x21: ffff082819a40000 [  441.732179] x20: ffff082819a40290 x19: 0000000000000000 x18: 0000000000000020 [  441.739304] x17: 0000000000000000 x16: ffffb5dad6bda690 x15: 00000000ffffffff [  441.746428] x14: ffff082814c3b26c x13: 00000000ffffffff x12: ffff082814c3b26a [  441.753553] x11: 00000000000000c0 x10: 000000000000003a x9 : ffffb5dad5ea94f4 [  441.760678] x8 : 000000000000003a x7 : ffff80009abbbab0 x6 : 0000000000000030 [  441.767802] x5 : 0000000000000000 x4 : 0000000000000000 x3 : 0000000000000000 [  441.774926] x2 : ffff08280f35a300 x1 : ffffb5dad7127180 x0 : 0000000000000000 [  441.782053] Call trace: [  441.784488]  sas_find_dev_by_rphy+0x44/0x118 (P) [  441.789095]  sas_target_alloc+0x24/0xb0 [  441.792920]  scsi_alloc_target+0x290/0x330 [  441.797010]  __scsi_scan_target+0x88/0x258 [  441.801096]  scsi_scan_channel+0x74/0xb8 [  441.805008]  scsi_scan_host_selected+0x170/0x188 [  441.809615]  sas_user_scan+0xfc/0x148 [  441.813267]  store_scan+0x10c/0x180 [  441.816743]  dev_attr_store+0x20/0x40 [  441.820398]  sysfs_kf_write+0x84/0xa8 [  441.824054]  kernfs_fop_write_iter+0x130/0x1c8 [  441.828487]  vfs_write+0x2c0/0x370 [  441.831880]  ksys_write+0x74/0x118 [  441.835271]  __arm64_sys_write+0x24/0x38 [  441.839182]  invoke_syscall+0x50/0x120 [  441.842919]  el0_svc_common.constprop.0+0xc8/0xf0 [  441.847611]  do_el0_svc+0x24/0x38 [  441.850913]  el0_svc+0x38/0x158 [  441.854043]  el0t_64_sync_handler+0xa0/0xe8 [  441.858214]  el0t_64_sync+0x1ac/0x1b0 [  441.861865] Code: aa1303e0 97ff70a8 34ffff80 d10a4273 (f9445a75) [  441.867946] ---[ end trace 0000000000000000 ]---  Therefore ---truncated---",
  "id": "DEBIAN-CVE-2026-43413",
  "modified": "2026-09-14T16:47:39.713369578Z",
  "published": "2026-05-08T15:16:53.193Z",
  "references": [
    {
      "type": "ADVISORY",
      "url": "https://security-tracker.debian.org/tracker/CVE-2026-43413"
    }
  ],
  "severity": [
    {
      "score": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
      "type": "CVSS_V3"
    }
  ],
  "upstream": [
    "CVE-2026-43413"
  ]
}