206 lines
11 KiB
JSON
206 lines
11 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-2026-46254",
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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": "2026-05-13T15:03:33.107Z",
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"datePublished": "2026-06-03T15:49:50.994Z",
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"dateUpdated": "2026-10-30T12:26:13.086Z"
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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": "2026-10-30T12:26:13.086Z"
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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\nAppArmor: Allow apparmor to handle unaligned dfa tables\n\nThe dfa tables can originate from kernel or userspace and 8-byte alignment\nisn't always guaranteed and as such may trigger unaligned memory accesses\non various architectures. Resulting in the following\n\n[ 73.901376] WARNING: CPU: 0 PID: 341 at security/apparmor/match.c:316 aa_dfa_unpack+0x6cc/0x720\n[ 74.015867] Modules linked in: binfmt_misc evdev flash sg drm drm_panel_orientation_quirks backlight i2c_core configfs nfnetlink autofs4 ext4 crc16 mbcache jbd2 hid_generic usbhid sr_mod hid cdrom\nsd_mod ata_generic ohci_pci ehci_pci ehci_hcd ohci_hcd pata_ali libata sym53c8xx scsi_transport_spi tg3 scsi_mod usbcore libphy scsi_common mdio_bus usb_common\n[ 74.428977] CPU: 0 UID: 0 PID: 341 Comm: apparmor_parser Not tainted 6.18.0-rc6+ #9 NONE\n[ 74.536543] Call Trace:\n[ 74.568561] [<0000000000434c24>] dump_stack+0x8/0x18\n[ 74.633757] [<0000000000476438>] __warn+0xd8/0x100\n[ 74.696664] [<00000000004296d4>] warn_slowpath_fmt+0x34/0x74\n[ 74.771006] [<00000000008db28c>] aa_dfa_unpack+0x6cc/0x720\n[ 74.843062] [<00000000008e643c>] unpack_pdb+0xbc/0x7e0\n[ 74.910545] [<00000000008e7740>] unpack_profile+0xbe0/0x1300\n[ 74.984888] [<00000000008e82e0>] aa_unpack+0xe0/0x6a0\n[ 75.051226] [<00000000008e3ec4>] aa_replace_profiles+0x64/0x1160\n[ 75.130144] [<00000000008d4d90>] policy_update+0xf0/0x280\n[ 75.201057] [<00000000008d4fc8>] profile_replace+0xa8/0x100\n[ 75.274258] [<0000000000766bd0>] vfs_write+0x90/0x420\n[ 75.340594] [<00000000007670cc>] ksys_write+0x4c/0xe0\n[ 75.406932] [<0000000000767174>] sys_write+0x14/0x40\n[ 75.472126] [<0000000000406174>] linux_sparc_syscall+0x34/0x44\n[ 75.548802] ---[ end trace 0000000000000000 ]---\n[ 75.609503] dfa blob stream 0xfff0000008926b96 not aligned.\n[ 75.682695] Kernel unaligned access at TPC[8db2a8] aa_dfa_unpack+0x6e8/0x720\n\nWork around it by using the get_unaligned_xx() helpers."
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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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"security/apparmor/match.c"
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],
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"versions": [
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{
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"version": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
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"lessThan": "60d175ecba4d067bd3379617eb09a905de476fcc",
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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": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
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"lessThan": "bd00629b527888a08a5222640fea045c6f64f5b5",
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"status": "affected",
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"lessThan": "ec737e7fdf2f0ba7b203d4ec72cc915978b10e7e",
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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": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
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"lessThan": "23f112bd6144e815153462e12d313ac3e7027168",
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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": "e6e8bf418850d7958311a96ccfb594f2bcc8313e",
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"lessThan": "cded636008bde2b397a7cf63b8299d7c303aaf6a",
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"status": "affected",
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"status": "affected",
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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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"security/apparmor/match.c"
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],
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"versions": [
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{
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"version": "4.11",
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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": "4.11",
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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": "6.1.191",
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"lessThanOrEqual": "6.1.*",
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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": "6.6.160",
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"lessThanOrEqual": "6.6.*",
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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": "6.12.75",
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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": "6.18.14",
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"lessThanOrEqual": "6.18.*",
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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": "6.19.4",
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"lessThanOrEqual": "6.19.*",
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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": "7.0",
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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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"vulnerable": true,
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"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*",
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"versionStartIncluding": "4.11",
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"versionEndExcluding": "6.1.191"
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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/60d175ecba4d067bd3379617eb09a905de476fcc"
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},
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{
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"url": "https://git.kernel.org/stable/c/bd00629b527888a08a5222640fea045c6f64f5b5"
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},
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{
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"url": "https://git.kernel.org/stable/c/ec737e7fdf2f0ba7b203d4ec72cc915978b10e7e"
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},
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{
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"url": "https://git.kernel.org/stable/c/23f112bd6144e815153462e12d313ac3e7027168"
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},
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{
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"url": "https://git.kernel.org/stable/c/cded636008bde2b397a7cf63b8299d7c303aaf6a"
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},
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{
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"url": "https://git.kernel.org/stable/c/64802f731214a51dfe3c6c27636b3ddafd003eb0"
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}
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],
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"title": "AppArmor: Allow apparmor to handle unaligned dfa tables",
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} |