{"id":"DEBIAN-CVE-2022-49268","details":"In the Linux kernel, the following vulnerability has been resolved:  ASoC: SOF: Intel: Fix NULL ptr dereference when ENOMEM  Do not call snd_dma_free_pages() when snd_dma_alloc_pages() returns -ENOMEM because it leads to a NULL pointer dereference bug.  The dmesg says:    [ T1387] sof-audio-pci-intel-tgl 0000:00:1f.3: error: memory alloc failed: -12   [ T1387] BUG: kernel NULL pointer dereference, address: 0000000000000000   [ T1387] #PF: supervisor read access in kernel mode   [ T1387] #PF: error_code(0x0000) - not-present page   [ T1387] PGD 0 P4D 0   [ T1387] Oops: 0000 [#1] PREEMPT SMP NOPTI   [ T1387] CPU: 6 PID: 1387 Comm: alsa-sink-HDA A Tainted: G        W         5.17.0-rc4-superb-owl-00055-g80d47f5de5e3   [ T1387] Hardware name: HP HP Laptop 14s-dq2xxx/87FD, BIOS F.15 09/15/2021   [ T1387] RIP: 0010:dma_free_noncontiguous+0x37/0x80   [ T1387] Code: [... snip ...]   [ T1387] RSP: 0000:ffffc90002b87770 EFLAGS: 00010246   [ T1387] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000   [ T1387] RDX: 0000000000000000 RSI: 0000000000000000 RDI: ffff888101db30d0   [ T1387] RBP: 00000000fffffff4 R08: 0000000000000000 R09: 0000000000000000   [ T1387] R10: 0000000000000000 R11: ffffc90002b874d0 R12: 0000000000000001   [ T1387] R13: 0000000000058000 R14: ffff888105260c68 R15: ffff888105260828   [ T1387] FS:  00007f42e2ffd640(0000) GS:ffff888466b80000(0000) knlGS:0000000000000000   [ T1387] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033   [ T1387] CR2: 0000000000000000 CR3: 000000014acf0003 CR4: 0000000000770ee0   [ T1387] PKRU: 55555554   [ T1387] Call Trace:   [ T1387]  \u003cTASK\u003e   [ T1387]  cl_stream_prepare+0x10a/0x120 [snd_sof_intel_hda_common 146addf995b9279ae7f509621078cccbe4f875e1]   [... snip ...]   [ T1387]  \u003c/TASK\u003e","modified":"2026-09-01T20:04:54.314288032Z","published":"2025-02-26T07:01:03.710Z","upstream":["CVE-2022-49268"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49268"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.17.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49268.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.17.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49268.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.17.3-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49268.json"}}],"schema_version":"1.9.0","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}