{"id":"DEBIAN-CVE-2022-49592","details":"In the Linux kernel, the following vulnerability has been resolved:  net: stmmac: fix dma queue left shift overflow issue  When queue number is \u003e 4, left shift overflows due to 32 bits integer variable. Mask calculation is wrong for MTL_RXQ_DMA_MAP1.  If CONFIG_UBSAN is enabled, kernel dumps below warning: [   10.363842] ================================================================== [   10.363882] UBSAN: shift-out-of-bounds in /build/linux-intel-iotg-5.15-8e6Tf4/ linux-intel-iotg-5.15-5.15.0/drivers/net/ethernet/stmicro/stmmac/dwmac4_core.c:224:12 [   10.363929] shift exponent 40 is too large for 32-bit type 'unsigned int' [   10.363953] CPU: 1 PID: 599 Comm: NetworkManager Not tainted 5.15.0-1003-intel-iotg [   10.363956] Hardware name: ADLINK Technology Inc. LEC-EL/LEC-EL, BIOS 0.15.11 12/22/2021 [   10.363958] Call Trace: [   10.363960]  \u003cTASK\u003e [   10.363963]  dump_stack_lvl+0x4a/0x5f [   10.363971]  dump_stack+0x10/0x12 [   10.363974]  ubsan_epilogue+0x9/0x45 [   10.363976]  __ubsan_handle_shift_out_of_bounds.cold+0x61/0x10e [   10.363979]  ? wake_up_klogd+0x4a/0x50 [   10.363983]  ? vprintk_emit+0x8f/0x240 [   10.363986]  dwmac4_map_mtl_dma.cold+0x42/0x91 [stmmac] [   10.364001]  stmmac_mtl_configuration+0x1ce/0x7a0 [stmmac] [   10.364009]  ? dwmac410_dma_init_channel+0x70/0x70 [stmmac] [   10.364020]  stmmac_hw_setup.cold+0xf/0xb14 [stmmac] [   10.364030]  ? page_pool_alloc_pages+0x4d/0x70 [   10.364034]  ? stmmac_clear_tx_descriptors+0x6e/0xe0 [stmmac] [   10.364042]  stmmac_open+0x39e/0x920 [stmmac] [   10.364050]  __dev_open+0xf0/0x1a0 [   10.364054]  __dev_change_flags+0x188/0x1f0 [   10.364057]  dev_change_flags+0x26/0x60 [   10.364059]  do_setlink+0x908/0xc40 [   10.364062]  ? do_setlink+0xb10/0xc40 [   10.364064]  ? __nla_validate_parse+0x4c/0x1a0 [   10.364068]  __rtnl_newlink+0x597/0xa10 [   10.364072]  ? __nla_reserve+0x41/0x50 [   10.364074]  ? __kmalloc_node_track_caller+0x1d0/0x4d0 [   10.364079]  ? pskb_expand_head+0x75/0x310 [   10.364082]  ? nla_reserve_64bit+0x21/0x40 [   10.364086]  ? skb_free_head+0x65/0x80 [   10.364089]  ? security_sock_rcv_skb+0x2c/0x50 [   10.364094]  ? __cond_resched+0x19/0x30 [   10.364097]  ? kmem_cache_alloc_trace+0x15a/0x420 [   10.364100]  rtnl_newlink+0x49/0x70  This change fixes MTL_RXQ_DMA_MAP1 mask issue and channel/queue mapping warning.  BugLink: https://bugzilla.kernel.org/show_bug.cgi?id=216195","modified":"2026-09-01T20:04:55.484431334Z","published":"2025-02-26T07:01:34.760Z","upstream":["CVE-2022-49592"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2022-49592"}],"affected":[{"package":{"name":"linux","ecosystem":"Debian:12","purl":"pkg:deb/debian/linux?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.16-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49592.json"}},{"package":{"name":"linux","ecosystem":"Debian:13","purl":"pkg:deb/debian/linux?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.16-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49592.json"}},{"package":{"name":"linux","ecosystem":"Debian:14","purl":"pkg:deb/debian/linux?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"5.18.16-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2022-49592.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:H/I:H/A:H"}]}