{"dataType": "CVE_RECORD", "dataVersion": "5.1", "cveMetadata": {"cveId": "CVE-2022-49511", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-02-26T02:08:31.587Z", "datePublished": "2025-02-26T02:13:41.433Z", "dateUpdated": "2025-05-04T08:39:30.414Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2025-05-04T08:39:30.414Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: defio: fix the pagelist corruption\n\nEasily hit the below list corruption:\n==\nlist_add corruption. prev->next should be next (ffffffffc0ceb090), but\nwas ffffec604507edc8. (prev=ffffec604507edc8).\nWARNING: CPU: 65 PID: 3959 at lib/list_debug.c:26\n__list_add_valid+0x53/0x80\nCPU: 65 PID: 3959 Comm: fbdev Tainted: G U\nRIP: 0010:__list_add_valid+0x53/0x80\nCall Trace:\n <TASK>\n fb_deferred_io_mkwrite+0xea/0x150\n do_page_mkwrite+0x57/0xc0\n do_wp_page+0x278/0x2f0\n __handle_mm_fault+0xdc2/0x1590\n handle_mm_fault+0xdd/0x2c0\n do_user_addr_fault+0x1d3/0x650\n exc_page_fault+0x77/0x180\n ? asm_exc_page_fault+0x8/0x30\n asm_exc_page_fault+0x1e/0x30\nRIP: 0033:0x7fd98fc8fad1\n==\n\nFigure out the race happens when one process is adding &page->lru into\nthe pagelist tail in fb_deferred_io_mkwrite(), another process is\nre-initializing the same &page->lru in fb_deferred_io_fault(), which is\nnot protected by the lock.\n\nThis fix is to init all the page lists one time during initialization,\nit not only fixes the list corruption, but also avoids INIT_LIST_HEAD()\nredundantly.\n\nV2: change \"int i\" to \"unsigned int i\" (Geert Uytterhoeven)"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/video/fbdev/core/fb_defio.c"], "versions": [{"version": "5d3aff76a3165087b0f897c0d677dfa987d9875d", "lessThan": "e79b2b2aadeffe1db54a6b569b9b621575c3eb07", "status": "affected", "versionType": "git"}, {"version": "105a940416fc622406653b6fe54732897642dfbc", "lessThan": "6a9ae2fe887042f76fd3d334349e64e8ab3c55a2", "status": "affected", "versionType": "git"}, {"version": "105a940416fc622406653b6fe54732897642dfbc", "lessThan": "856082f021a28221db2c32bd0531614a8382be67", "status": "affected", "versionType": "git"}]}, {"product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/video/fbdev/core/fb_defio.c"], "versions": [{"version": "5.18", "status": "affected"}, {"version": "0", "lessThan": "5.18", "status": "unaffected", "versionType": "semver"}, {"version": "5.18.3", "lessThanOrEqual": "5.18.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.19", "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": "5.18", "versionEndExcluding": "5.18.3"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.18", "versionEndExcluding": "5.19"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/e79b2b2aadeffe1db54a6b569b9b621575c3eb07"}, {"url": "https://git.kernel.org/stable/c/6a9ae2fe887042f76fd3d334349e64e8ab3c55a2"}, {"url": "https://git.kernel.org/stable/c/856082f021a28221db2c32bd0531614a8382be67"}], "title": "fbdev: defio: fix the pagelist corruption", "x_generator": {"engine": "bippy-1.2.0"}}}}

{}

{"cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nfbdev: defio: fix the pagelist corruption\n\nEasily hit the below list corruption:\n==\nlist_add corruption. prev->next should be next (ffffffffc0ceb090), but\nwas ffffec604507edc8. (prev=ffffec604507edc8).\nWARNING: CPU: 65 PID: 3959 at lib/list_debug.c:26\n__list_add_valid+0x53/0x80\nCPU: 65 PID: 3959 Comm: fbdev Tainted: G U\nRIP: 0010:__list_add_valid+0x53/0x80\nCall Trace:\n <TASK>\n fb_deferred_io_mkwrite+0xea/0x150\n do_page_mkwrite+0x57/0xc0\n do_wp_page+0x278/0x2f0\n __handle_mm_fault+0xdc2/0x1590\n handle_mm_fault+0xdd/0x2c0\n do_user_addr_fault+0x1d3/0x650\n exc_page_fault+0x77/0x180\n ? asm_exc_page_fault+0x8/0x30\n asm_exc_page_fault+0x1e/0x30\nRIP: 0033:0x7fd98fc8fad1\n==\n\nFigure out the race happens when one process is adding &page->lru into\nthe pagelist tail in fb_deferred_io_mkwrite(), another process is\nre-initializing the same &page->lru in fb_deferred_io_fault(), which is\nnot protected by the lock.\n\nThis fix is to init all the page lists one time during initialization,\nit not only fixes the list corruption, but also avoids INIT_LIST_HEAD()\nredundantly.\n\nV2: change \"int i\" to \"unsigned int i\" (Geert Uytterhoeven)"}], "id": "CVE-2022-49511", "lastModified": "2025-02-26T07:01:27.193", "metrics": {}, "published": "2025-02-26T07:01:27.193", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/6a9ae2fe887042f76fd3d334349e64e8ab3c55a2"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/856082f021a28221db2c32bd0531614a8382be67"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "url": "https://git.kernel.org/stable/c/e79b2b2aadeffe1db54a6b569b9b621575c3eb07"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Received"}

{"affected_release": [{"advisory": "RHSA-2023:2951", "cpe": "cpe:/o:redhat:enterprise_linux:8", "package": "kernel-0:4.18.0-477.10.1.el8_8", "product_name": "Red Hat Enterprise Linux 8", "release_date": "2023-05-16T00:00:00Z"}, {"advisory": "RHSA-2023:2458", "cpe": "cpe:/a:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.11.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}, {"advisory": "RHSA-2023:2458", "cpe": "cpe:/o:redhat:enterprise_linux:9", "package": "kernel-0:5.14.0-284.11.1.el9_2", "product_name": "Red Hat Enterprise Linux 9", "release_date": "2023-05-09T00:00:00Z"}], "bugzilla": {"description": "kernel: fbdev: defio: fix the pagelist corruption", "id": "2347746", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2347746"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.4", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H", "status": "verified"}, "cwe": "CWE-99", "details": ["In the Linux kernel, the following vulnerability has been resolved:\nfbdev: defio: fix the pagelist corruption\nEasily hit the below list corruption:\n==\nlist_add corruption. prev->next should be next (ffffffffc0ceb090), but\nwas ffffec604507edc8. (prev=ffffec604507edc8).\nWARNING: CPU: 65 PID: 3959 at lib/list_debug.c:26\n__list_add_valid+0x53/0x80\nCPU: 65 PID: 3959 Comm: fbdev Tainted: G U\nRIP: 0010:__list_add_valid+0x53/0x80\nCall Trace:\n<TASK>\nfb_deferred_io_mkwrite+0xea/0x150\ndo_page_mkwrite+0x57/0xc0\ndo_wp_page+0x278/0x2f0\n__handle_mm_fault+0xdc2/0x1590\nhandle_mm_fault+0xdd/0x2c0\ndo_user_addr_fault+0x1d3/0x650\nexc_page_fault+0x77/0x180\n? asm_exc_page_fault+0x8/0x30\nasm_exc_page_fault+0x1e/0x30\nRIP: 0033:0x7fd98fc8fad1\n==\nFigure out the race happens when one process is adding &page->lru into\nthe pagelist tail in fb_deferred_io_mkwrite(), another process is\nre-initializing the same &page->lru in fb_deferred_io_fault(), which is\nnot protected by the lock.\nThis fix is to init all the page lists one time during initialization,\nit not only fixes the list corruption, but also avoids INIT_LIST_HEAD()\nredundantly.\nV2: change \"int i\" to \"unsigned int i\" (Geert Uytterhoeven)"], "name": "CVE-2022-49511", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Out of support scope", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-02-26T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2022-49511\nhttps://nvd.nist.gov/vuln/detail/CVE-2022-49511\nhttps://lore.kernel.org/linux-cve-announce/2025022609-CVE-2022-49511-100a@gregkh/T"], "threat_severity": "Low"}