{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2022-49248", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T01:49:39.295Z", "datePublished": "2025-02-26T01:56:06.709Z", "dateUpdated": "2026-05-11T18:56:00.845Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T18:56:00.845Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: firewire-lib: fix uninitialized flag for AV/C deferred transaction\n\nAV/C deferred transaction was supported at a commit 00a7bb81c20f (\"ALSA:\nfirewire-lib: Add support for deferred transaction\") while 'deferrable'\nflag can be uninitialized for non-control/notify AV/C transactions.\nUBSAN reports it:\n\nkernel: ================================================================================\nkernel: UBSAN: invalid-load in /build/linux-aa0B4d/linux-5.15.0/sound/firewire/fcp.c:363:9\nkernel: load of value 158 is not a valid value for type '_Bool'\nkernel: CPU: 3 PID: 182227 Comm: irq/35-firewire Tainted: P OE 5.15.0-18-generic #18-Ubuntu\nkernel: Hardware name: Gigabyte Technology Co., Ltd. AX370-Gaming 5/AX370-Gaming 5, BIOS F42b 08/01/2019\nkernel: Call Trace:\nkernel: \nkernel: show_stack+0x52/0x58\nkernel: dump_stack_lvl+0x4a/0x5f\nkernel: dump_stack+0x10/0x12\nkernel: ubsan_epilogue+0x9/0x45\nkernel: __ubsan_handle_load_invalid_value.cold+0x44/0x49\nkernel: fcp_response.part.0.cold+0x1a/0x2b [snd_firewire_lib]\nkernel: fcp_response+0x28/0x30 [snd_firewire_lib]\nkernel: fw_core_handle_request+0x230/0x3d0 [firewire_core]\nkernel: handle_ar_packet+0x1d9/0x200 [firewire_ohci]\nkernel: ? handle_ar_packet+0x1d9/0x200 [firewire_ohci]\nkernel: ? transmit_complete_callback+0x9f/0x120 [firewire_core]\nkernel: ar_context_tasklet+0xa8/0x2e0 [firewire_ohci]\nkernel: tasklet_action_common.constprop.0+0xea/0xf0\nkernel: tasklet_action+0x22/0x30\nkernel: __do_softirq+0xd9/0x2e3\nkernel: ? irq_finalize_oneshot.part.0+0xf0/0xf0\nkernel: do_softirq+0x75/0xa0\nkernel: \nkernel: \nkernel: __local_bh_enable_ip+0x50/0x60\nkernel: irq_forced_thread_fn+0x7e/0x90\nkernel: irq_thread+0xba/0x190\nkernel: ? irq_thread_fn+0x60/0x60\nkernel: kthread+0x11e/0x140\nkernel: ? irq_thread_check_affinity+0xf0/0xf0\nkernel: ? set_kthread_struct+0x50/0x50\nkernel: ret_from_fork+0x22/0x30\nkernel: \nkernel: ================================================================================\n\nThis commit fixes the bug. The bug has no disadvantage for the non-\ncontrol/notify AV/C transactions since the flag has an effect for AV/C\nresponse with INTERIM (0x0f) status which is not used for the transactions\nin AV/C general specification." } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "sound/firewire/fcp.c" ], "versions": [ { "version": "00a7bb81c20f3e81711e28e0f6c08cee8fd18514", "lessThan": "99582e4b19f367fa95bdd150b3034d7ce8113342", "status": "affected", "versionType": "git" }, { "version": "00a7bb81c20f3e81711e28e0f6c08cee8fd18514", "lessThan": "b2b65c9013dc28836d82e25d0f0c94d794a14aba", "status": "affected", "versionType": "git" }, { "version": "00a7bb81c20f3e81711e28e0f6c08cee8fd18514", "lessThan": "60e5d391805d70458a01998de00d0c28cba40bf3", "status": "affected", "versionType": "git" }, { "version": "00a7bb81c20f3e81711e28e0f6c08cee8fd18514", "lessThan": "7025f40690a235a118c87674cfb93072694aa66d", "status": "affected", "versionType": "git" }, { "version": "00a7bb81c20f3e81711e28e0f6c08cee8fd18514", "lessThan": "7e6f5786621df060f8296f074efd275eaf20361a", "status": "affected", "versionType": "git" }, { "version": "00a7bb81c20f3e81711e28e0f6c08cee8fd18514", "lessThan": "eab74c41612083bd627b60da650e19234e4f1051", "status": "affected", "versionType": "git" }, { "version": "00a7bb81c20f3e81711e28e0f6c08cee8fd18514", "lessThan": "d07e4bbaff6fbba6f70c04b092ea7d9afcdf392e", "status": "affected", "versionType": "git" }, { "version": "00a7bb81c20f3e81711e28e0f6c08cee8fd18514", "lessThan": "39d2c4a33dc1b4402cec68a3c8f82c6588b6edce", "status": "affected", "versionType": "git" }, { "version": "00a7bb81c20f3e81711e28e0f6c08cee8fd18514", "lessThan": "bf0cd60b7e33cf221fbe1114e4acb2c828b0af0d", "status": "affected", "versionType": "git" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "sound/firewire/fcp.c" ], "versions": [ { "version": "3.16", "status": "affected" }, { "version": "0", "lessThan": "3.16", "status": "unaffected", "versionType": "semver" }, { "version": "4.9.311", "lessThanOrEqual": "4.9.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.14.276", "lessThanOrEqual": "4.14.*", "status": "unaffected", "versionType": "semver" }, { "version": "4.19.238", "lessThanOrEqual": "4.19.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.4.189", "lessThanOrEqual": "5.4.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.110", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.33", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.16.19", "lessThanOrEqual": "5.16.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.17.2", "lessThanOrEqual": "5.17.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.18", "lessThanOrEqual": "*", "status": "unaffected", "versionType": "original_commit_for_fix" } ] } ], "cpeApplicability": [ { "nodes": [ { "operator": "OR", "negate": false, "cpeMatch": [ { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "4.9.311" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "4.14.276" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "4.19.238" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.4.189" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.10.110" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.15.33" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.16.19" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.17.2" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.16", "versionEndExcluding": "5.18" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/99582e4b19f367fa95bdd150b3034d7ce8113342" }, { "url": "https://git.kernel.org/stable/c/b2b65c9013dc28836d82e25d0f0c94d794a14aba" }, { "url": "https://git.kernel.org/stable/c/60e5d391805d70458a01998de00d0c28cba40bf3" }, { "url": "https://git.kernel.org/stable/c/7025f40690a235a118c87674cfb93072694aa66d" }, { "url": "https://git.kernel.org/stable/c/7e6f5786621df060f8296f074efd275eaf20361a" }, { "url": "https://git.kernel.org/stable/c/eab74c41612083bd627b60da650e19234e4f1051" }, { "url": "https://git.kernel.org/stable/c/d07e4bbaff6fbba6f70c04b092ea7d9afcdf392e" }, { "url": "https://git.kernel.org/stable/c/39d2c4a33dc1b4402cec68a3c8f82c6588b6edce" }, { "url": "https://git.kernel.org/stable/c/bf0cd60b7e33cf221fbe1114e4acb2c828b0af0d" } ], "title": "ALSA: firewire-lib: fix uninitialized flag for AV/C deferred transaction", "x_generator": { "engine": "bippy-1.2.0" } } } }