{"id":"DEBIAN-CVE-2024-43895","details":"In the Linux kernel, the following vulnerability has been resolved:  drm/amd/display: Skip Recompute DSC Params if no Stream on Link  [why] Encounter NULL pointer dereference uner mst + dsc setup.  BUG: kernel NULL pointer dereference, address: 0000000000000008     PGD 0 P4D 0     Oops: 0000 [#1] PREEMPT SMP NOPTI     CPU: 4 PID: 917 Comm: sway Not tainted 6.3.9-arch1-1 #1 124dc55df4f5272ccb409f39ef4872fc2b3376a2     Hardware name: LENOVO 20NKS01Y00/20NKS01Y00, BIOS R12ET61W(1.31 ) 07/28/2022     RIP: 0010:drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper]     Code: 01 00 00 48 8b 85 60 05 00 00 48 63 80 88 00 00 00 3b 43 28 0f 8d 2e 01 00 00 48 8b 53 30 48 8d 04 80 48 8d 04 c2 48 8b 40 18 \u003c48\u003e 8\u003e     RSP: 0018:ffff960cc2df77d8 EFLAGS: 00010293     RAX: 0000000000000000 RBX: ffff8afb87e81280 RCX: 0000000000000224     RDX: ffff8afb9ee37c00 RSI: ffff8afb8da1a578 RDI: ffff8afb87e81280     RBP: ffff8afb83d67000 R08: 0000000000000001 R09: ffff8afb9652f850     R10: ffff960cc2df7908 R11: 0000000000000002 R12: 0000000000000000     R13: ffff8afb8d7688a0 R14: ffff8afb8da1a578 R15: 0000000000000224     FS:  00007f4dac35ce00(0000) GS:ffff8afe30b00000(0000) knlGS:0000000000000000     CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033     CR2: 0000000000000008 CR3: 000000010ddc6000 CR4: 00000000003506e0     Call Trace: \u003cTASK\u003e      ? __die+0x23/0x70      ? page_fault_oops+0x171/0x4e0      ? plist_add+0xbe/0x100      ? exc_page_fault+0x7c/0x180      ? asm_exc_page_fault+0x26/0x30      ? drm_dp_atomic_find_time_slots+0x5e/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026]      ? drm_dp_atomic_find_time_slots+0x28/0x260 [drm_display_helper 0e67723696438d8e02b741593dd50d80b44c2026]      compute_mst_dsc_configs_for_link+0x2ff/0xa40 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]      ? fill_plane_buffer_attributes+0x419/0x510 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]      compute_mst_dsc_configs_for_state+0x1e1/0x250 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]      amdgpu_dm_atomic_check+0xecd/0x1190 [amdgpu 62e600d2a75e9158e1cd0a243bdc8e6da040c054]      drm_atomic_check_only+0x5c5/0xa40      drm_mode_atomic_ioctl+0x76e/0xbc0  [how] dsc recompute should be skipped if no mode change detected on the new request. If detected, keep checking whether the stream is already on current state or not.  (cherry picked from commit 8151a6c13111b465dbabe07c19f572f7cbd16fef)","modified":"2025-12-29T19:36:51.412215Z","published":"2024-08-26T11:15:04.333Z","withdrawn":"2025-12-29T19:36:51.412215Z","upstream":["CVE-2024-43895"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2024-43895"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.106-1"}]}],"versions":["6.1.27-1","6.1.37-1","6.1.38-1","6.1.38-2","6.1.38-2~bpo11+1","6.1.38-3","6.1.38-4","6.1.38-4~bpo11+1","6.1.52-1","6.1.55-1","6.1.55-1~bpo11+1","6.1.64-1","6.1.66-1","6.1.67-1","6.1.69-1","6.1.69-1~bpo11+1","6.1.76-1","6.1.76-1~bpo11+1","6.1.82-1","6.1.85-1","6.1.90-1","6.1.90-1~bpo11+1","6.1.94-1","6.1.94-1~bpo11+1","6.1.98-1","6.1.99-1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-43895.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.10.6-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-43895.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.10.6-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-43895.json"}},{"package":{"name":"linux-6.1","ecosystem":"Debian:11","purl":"pkg:deb/debian/linux-6.1?arch=source"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"6.1.119-1~deb11u1"}]}],"versions":["6.1.106-3~deb11u1","6.1.106-3~deb11u2","6.1.106-3~deb11u3","6.1.112-1~deb11u1"],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/osv-test-debian-osv/debian-cve-osv/DEBIAN-CVE-2024-43895.json"}}],"schema_version":"1.7.3","severity":[{"type":"CVSS_V3","score":"CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H"}]}