177 lines
9.3 KiB
JSON
177 lines
9.3 KiB
JSON
{
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"dataType": "CVE_RECORD",
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"dataVersion": "5.2",
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"cveMetadata": {
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"cveId": "CVE-2025-39765",
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"assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"state": "PUBLISHED",
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"assignerShortName": "Linux",
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"dateReserved": "2025-04-16T07:20:57.126Z",
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"datePublished": "2025-09-11T16:56:20.738Z",
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"dateUpdated": "2026-11-05T21:12:57.466Z"
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},
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"containers": {
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"cna": {
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"providerMetadata": {
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"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67",
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"shortName": "Linux",
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"dateUpdated": "2026-05-11T21:35:49.504Z"
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},
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"descriptions": [
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{
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"lang": "en",
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"value": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: timer: fix ida_free call while not allocated\n\nIn the snd_utimer_create() function, if the kasprintf() function return\nNULL, snd_utimer_put_id() will be called, finally use ida_free()\nto free the unallocated id 0.\n\nthe syzkaller reported the following information:\n ------------[ cut here ]------------\n ida_free called for id=0 which is not allocated.\n WARNING: CPU: 1 PID: 1286 at lib/idr.c:592 ida_free+0x1fd/0x2f0 lib/idr.c:592\n Modules linked in:\n CPU: 1 UID: 0 PID: 1286 Comm: syz-executor164 Not tainted 6.15.8 #3 PREEMPT(lazy)\n Hardware name: QEMU Standard PC (i440FX + PIIX, 1996), BIOS 1.16.3-4.fc42 04/01/2014\n RIP: 0010:ida_free+0x1fd/0x2f0 lib/idr.c:592\n Code: f8 fc 41 83 fc 3e 76 69 e8 70 b2 f8 (...)\n RSP: 0018:ffffc900007f79c8 EFLAGS: 00010282\n RAX: 0000000000000000 RBX: 1ffff920000fef3b RCX: ffffffff872176a5\n RDX: ffff88800369d200 RSI: 0000000000000000 RDI: ffff88800369d200\n RBP: 0000000000000000 R08: ffffffff87ba60a5 R09: 0000000000000000\n R10: 0000000000000001 R11: 0000000000000000 R12: 0000000000000000\n R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000\n FS: 00007f6f1abc1740(0000) GS:ffff8880d76a0000(0000) knlGS:0000000000000000\n CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033\n CR2: 00007f6f1ad7a784 CR3: 000000007a6e2000 CR4: 00000000000006f0\n Call Trace:\n <TASK>\n snd_utimer_put_id sound/core/timer.c:2043 [inline] [snd_timer]\n snd_utimer_create+0x59b/0x6a0 sound/core/timer.c:2184 [snd_timer]\n snd_utimer_ioctl_create sound/core/timer.c:2202 [inline] [snd_timer]\n __snd_timer_user_ioctl.isra.0+0x724/0x1340 sound/core/timer.c:2287 [snd_timer]\n snd_timer_user_ioctl+0x75/0xc0 sound/core/timer.c:2298 [snd_timer]\n vfs_ioctl fs/ioctl.c:51 [inline]\n __do_sys_ioctl fs/ioctl.c:907 [inline]\n __se_sys_ioctl fs/ioctl.c:893 [inline]\n __x64_sys_ioctl+0x198/0x200 fs/ioctl.c:893\n do_syscall_x64 arch/x86/entry/syscall_64.c:63 [inline]\n do_syscall_64+0x7b/0x160 arch/x86/entry/syscall_64.c:94\n entry_SYSCALL_64_after_hwframe+0x76/0x7e\n [...]\n\nThe utimer->id should be set properly before the kasprintf() function,\nensures the snd_utimer_put_id() function will free the allocated id."
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}
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],
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"affected": [
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "unaffected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"sound/core/timer.c"
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],
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"versions": [
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{
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"version": "37745918e0e7575bc40f38da93a99b9fa6406224",
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"lessThan": "34327b362ce2849a5eb02f47e800049e7a20a0ba",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "37745918e0e7575bc40f38da93a99b9fa6406224",
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"lessThan": "af386b52531d14c4b20f11c452787b1b6dd4eb8d",
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"status": "affected",
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"versionType": "git"
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},
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{
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"version": "37745918e0e7575bc40f38da93a99b9fa6406224",
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"lessThan": "5003a65790ed66be882d1987cc2ca86af0de3db1",
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"status": "affected",
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"versionType": "git"
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}
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]
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},
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{
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"product": "Linux",
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"vendor": "Linux",
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"defaultStatus": "affected",
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"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git",
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"programFiles": [
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"sound/core/timer.c"
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],
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"versions": [
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{
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"version": "6.12",
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"status": "affected"
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},
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{
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"version": "0",
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"lessThan": "6.12",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.12.44",
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"lessThanOrEqual": "6.12.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.16.4",
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"lessThanOrEqual": "6.16.*",
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"status": "unaffected",
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"versionType": "semver"
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},
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{
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"version": "6.17",
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"lessThanOrEqual": "*",
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"status": "unaffected",
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"versionType": "original_commit_for_fix"
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}
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]
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}
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],
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"cpeApplicability": [
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{
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"nodes": [
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{
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"operator": "OR",
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"negate": false,
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"cpeMatch": [
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.12",
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"versionEndExcluding": "6.12.44"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.12",
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"versionEndExcluding": "6.16.4"
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},
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{
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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "6.12",
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"versionEndExcluding": "6.17"
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}
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]
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}
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]
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}
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],
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"references": [
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{
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"url": "https://git.kernel.org/stable/c/34327b362ce2849a5eb02f47e800049e7a20a0ba"
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},
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{
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"url": "https://git.kernel.org/stable/c/af386b52531d14c4b20f11c452787b1b6dd4eb8d"
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},
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{
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"url": "https://git.kernel.org/stable/c/5003a65790ed66be882d1987cc2ca86af0de3db1"
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}
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],
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"title": "ALSA: timer: fix ida_free call while not allocated",
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"x_generator": {
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"engine": "bippy-1.2.0"
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}
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},
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"adp": [
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{
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"metrics": [
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{
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"other": {
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"type": "ssvc",
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"content": {
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"id": "CVE-2025-39765",
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"role": "CISA Coordinator",
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"options": [
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{
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"Exploitation": "none"
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},
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{
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"Automatable": "no"
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},
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{
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"Technical Impact": "partial"
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}
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],
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"version": "2.0.3",
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"timestamp": "2026-11-05T21:11:12.363470Z"
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}
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}
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}
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],
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"title": "CISA ADP Vulnrichment",
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"providerMetadata": {
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"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
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"shortName": "CISA-ADP",
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"dateUpdated": "2026-11-05T21:12:57.466Z"
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}
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}
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]
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}
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} |