{
  "threat_severity" : "Low",
  "public_date" : "2025-02-26T00:00:00Z",
  "bugzilla" : {
    "description" : "kernel: ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM",
    "id" : "2348329",
    "url" : "https://bugzilla.redhat.com/show_bug.cgi?id=2348329"
  },
  "cvss3" : {
    "cvss3_base_score" : "5.5",
    "cvss3_scoring_vector" : "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H",
    "status" : "verified"
  },
  "details" : [ "In the Linux kernel, the following vulnerability has been resolved:\nASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM\nDo not call snd_dma_free_pages() when snd_dma_alloc_pages() returns\n-ENOMEM because it leads to a NULL pointer dereference bug.\nThe dmesg says:\n[ T1387] sof-audio-pci-intel-tgl 0000:00:1f.3: error: memory alloc failed: -12\n[ T1387] BUG: kernel NULL pointer dereference, address: 0000000000000000\n[ T1387] #PF: supervisor read access in kernel mode\n[ T1387] #PF: error_code(0x0000) - not-present page\n[ T1387] PGD 0 P4D 0\n[ T1387] Oops: 0000 [#1] PREEMPT SMP NOPTI\n[ T1387] CPU: 6 PID: 1387 Comm: alsa-sink-HDA A Tainted: G        W         5.17.0-rc4-superb-owl-00055-g80d47f5de5e3\n[ T1387] Hardware name: HP HP Laptop 14s-dq2xxx/87FD, BIOS F.15 09/15/2021\n[ T1387] RIP: 0010:dma_free_noncontiguous+0x37/0x80\n[ T1387] Code: [... snip ...]\n[ T1387] RSP: 0000:ffffc90002b87770 EFLAGS: 00010246\n[ T1387] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000\n[ T1387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888101db30d0\n[ T1387] RBP: 00000000fffffff4 R08: 0000000000000000 R09: 0000000000000000\n[ T1387] R10: 0000000000000000 R11: ffffc90002b874d0 R12: 0000000000000001\n[ T1387] R13: 0000000000058000 R14: ffff888105260c68 R15: ffff888105260828\n[ T1387] FS:  00007f42e2ffd640(0000) GS:ffff888466b80000(0000) knlGS:0000000000000000\n[ T1387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n[ T1387] CR2: 0000000000000000 CR3: 000000014acf0003 CR4: 0000000000770ee0\n[ T1387] PKRU: 55555554\n[ T1387] Call Trace:\n[ T1387]  <TASK>\n[ T1387]  cl_stream_prepare+0x10a/0x120 [snd_sof_intel_hda_common 146addf995b9279ae7f509621078cccbe4f875e1]\n[... snip ...]\n[ T1387]  </TASK>" ],
  "affected_release" : [ {
    "product_name" : "Red Hat Enterprise Linux 8",
    "release_date" : "2022-11-08T00:00:00Z",
    "advisory" : "RHSA-2022:7683",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8",
    "package" : "kernel-0:4.18.0-425.3.1.el8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2022-11-15T00:00:00Z",
    "advisory" : "RHSA-2022:8267",
    "cpe" : "cpe:/a:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-162.6.1.el9_1"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "release_date" : "2022-11-15T00:00:00Z",
    "advisory" : "RHSA-2022:8267",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9",
    "package" : "kernel-0:5.14.0-162.6.1.el9_1"
  } ],
  "package_state" : [ {
    "product_name" : "Red Hat Enterprise Linux 10",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:10"
  }, {
    "product_name" : "Red Hat Enterprise Linux 6",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:6"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 7",
    "fix_state" : "Not affected",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:7"
  }, {
    "product_name" : "Red Hat Enterprise Linux 8",
    "fix_state" : "Out of support scope",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:8"
  }, {
    "product_name" : "Red Hat Enterprise Linux 9",
    "fix_state" : "Fix deferred",
    "package_name" : "kernel-rt",
    "cpe" : "cpe:/o:redhat:enterprise_linux:9"
  } ],
  "references" : [ "https://www.cve.org/CVERecord?id=CVE-2022-49268\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49268\nhttps://lore.kernel.org/linux-cve-announce/2025022629-CVE-2022-49268-4842@gregkh/T" ],
  "name" : "CVE-2022-49268",
  "csaw" : false
}