CVE-2026-89730

{"id": "CVE-2026-89730", "cveTags": [], "metrics": {}, "affected": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "affectedData": [{"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "34d1dc17ce978ae76e676d401b48fe9d004aa948", "lessThan": "447b3c893987a0106a65f04b62ec3271892e9d98", "versionType": "git"}, {"status": "affected", "version": "34d1dc17ce978ae76e676d401b48fe9d004aa948", "lessThan": "3b8938f5fbcf4a918785f9cb4b108782eb4ea717", "versionType": "git"}, {"status": "affected", "version": "34d1dc17ce978ae76e676d401b48fe9d004aa948", "lessThan": "2564ac3d3b8b47cd9692a5bf42d668ed7218b54e", "versionType": "git"}, {"status": "affected", "version": "34d1dc17ce978ae76e676d401b48fe9d004aa948", "lessThan": "8f3365ed2a5db2ac95ab70a6c47561db39d24537", "versionType": "git"}, {"status": "affected", "version": "34d1dc17ce978ae76e676d401b48fe9d004aa948", "lessThan": "b138bc665e21d4422382ab43aebdf0a2b7bb9cb3", "versionType": "git"}, {"status": "affected", "version": "34d1dc17ce978ae76e676d401b48fe9d004aa948", "lessThan": "827ec385458adeeda651de2b6f3537e386b1a8d9", "versionType": "git"}, {"status": "affected", "version": "34d1dc17ce978ae76e676d401b48fe9d004aa948", "lessThan": "4dc1051939e499c838229af035464a5fc7671198", "versionType": "git"}, {"status": "affected", "version": "34d1dc17ce978ae76e676d401b48fe9d004aa948", "lessThan": "9da70a43b5fea60d758137f7f0ccfe19356cb5bb", "versionType": "git"}], "programFiles": ["drivers/fpga/altera-cvp.c"], "defaultStatus": "unaffected"}, {"repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "vendor": "Linux", "product": "Linux", "versions": [{"status": "affected", "version": "4.14"}, {"status": "unaffected", "version": "0", "lessThan": "4.14", "versionType": "semver"}, {"status": "unaffected", "version": "5.10.270", "versionType": "semver", "lessThanOrEqual": "5.10.*"}, {"status": "unaffected", "version": "5.15.221", "versionType": "semver", "lessThanOrEqual": "5.15.*"}, {"status": "unaffected", "version": "6.1.188", "versionType": "semver", "lessThanOrEqual": "6.1.*"}, {"status": "unaffected", "version": "6.6.157", "versionType": "semver", "lessThanOrEqual": "6.6.*"}, {"status": "unaffected", "version": "6.12.109", "versionType": "semver", "lessThanOrEqual": "6.12.*"}, {"status": "unaffected", "version": "6.18.50", "versionType": "semver", "lessThanOrEqual": "6.18.*"}, {"status": "unaffected", "version": "7.2.4", "versionType": "semver", "lessThanOrEqual": "7.2.*"}, {"status": "unaffected", "version": "7.3-rc1", "versionType": "original_commit_for_fix", "lessThanOrEqual": "*"}], "programFiles": ["drivers/fpga/altera-cvp.c"], "defaultStatus": "affected"}]}], "published": "2026-09-11T20:20:03.363", "references": [{"url": "https://git.kernel.org/stable/c/2564ac3d3b8b47cd9692a5bf42d668ed7218b54e", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/3b8938f5fbcf4a918785f9cb4b108782eb4ea717", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/447b3c893987a0106a65f04b62ec3271892e9d98", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/4dc1051939e499c838229af035464a5fc7671198", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/827ec385458adeeda651de2b6f3537e386b1a8d9", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/8f3365ed2a5db2ac95ab70a6c47561db39d24537", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/9da70a43b5fea60d758137f7f0ccfe19356cb5bb", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}, {"url": "https://git.kernel.org/stable/c/b138bc665e21d4422382ab43aebdf0a2b7bb9cb3", "source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}], "vulnStatus": "Received", "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfpga: altera-cvp: Avoid out-of-bounds read in trailing byte write\n\nThe trailing byte path in altera_cvp_send_block() dereferences a u32\npointer even when only 1-3 bytes remain in the input buffer. If the buffer\nends at a page or scatterlist boundary, this can read past the valid image\ndata and fault.\n\nCopy the remaining bytes into a zero-initialized u32 before writing the\nfinal word so only valid bytes are read from the input buffer."}], "lastModified": "2026-09-14T13:19:22.170", "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67"}