{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2024-50072", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-10-21T19:36:19.940Z", "datePublished": "2024-10-29T00:50:14.170Z", "dateUpdated": "2026-05-23T15:54:21.843Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-23T15:54:21.843Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nx86/bugs: Use code segment selector for VERW operand\n\nRobert Gill reported below #GP in 32-bit mode when dosemu software was\nexecuting vm86() system call:\n\n general protection fault: 0000 [#1] PREEMPT SMP\n CPU: 4 PID: 4610 Comm: dosemu.bin Not tainted 6.6.21-gentoo-x86 #1\n Hardware name: Dell Inc. PowerEdge 1950/0H723K, BIOS 2.7.0 10/30/2010\n EIP: restore_all_switch_stack+0xbe/0xcf\n EAX: 00000000 EBX: 00000000 ECX: 00000000 EDX: 00000000\n ESI: 00000000 EDI: 00000000 EBP: 00000000 ESP: ff8affdc\n DS: 0000 ES: 0000 FS: 0000 GS: 0033 SS: 0068 EFLAGS: 00010046\n CR0: 80050033 CR2: 00c2101c CR3: 04b6d000 CR4: 000406d0\n Call Trace:\n show_regs+0x70/0x78\n die_addr+0x29/0x70\n exc_general_protection+0x13c/0x348\n exc_bounds+0x98/0x98\n handle_exception+0x14d/0x14d\n exc_bounds+0x98/0x98\n restore_all_switch_stack+0xbe/0xcf\n exc_bounds+0x98/0x98\n restore_all_switch_stack+0xbe/0xcf\n\nThis only happens in 32-bit mode when VERW based mitigations like MDS/RFDS\nare enabled. This is because segment registers with an arbitrary user value\ncan result in #GP when executing VERW. Intel SDM vol. 2C documents the\nfollowing behavior for VERW instruction:\n\n #GP(0) - If a memory operand effective address is outside the CS, DS, ES,\n\t FS, or GS segment limit.\n\nCLEAR_CPU_BUFFERS macro executes VERW instruction before returning to user\nspace. Use %cs selector to reference VERW operand. This ensures VERW will\nnot #GP for an arbitrary user %ds.\n\n[ mingo: Fixed the SOB chain. ]" } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "arch/x86/include/asm/nospec-branch.h" ], "versions": [ { "version": "50f021f0b985629accf10481a6e89af8b9700583", "lessThan": "bfd1d223d80cb29a210caa1bd5e21f0816d58f02", "status": "affected", "versionType": "git" }, { "version": "d54de9f2a127090f2017184e8257795b487d5312", "lessThan": "ada431c6c31a2c8c37991c46089af5caa23a9c6e", "status": "affected", "versionType": "git" }, { "version": "2e3087505ddb8ba2d3d4c81306cca11e868fcdb9", "lessThan": "38c5fe74f3bef98f75d16effa49836d50c9b6097", "status": "affected", "versionType": "git" }, { "version": "ca13d8cd8dac25558da4ee8df4dc70e8e7f9d762", "lessThan": "481b477ab63c7245715a3e57ba79eb87c2dc0d02", "status": "affected", "versionType": "git" }, { "version": "a0e2dab44d22b913b4c228c8b52b2a104434b0b3", "lessThan": "bc576fbaf82deded606e69a00efe9752136bf91d", "status": "affected", "versionType": "git" }, { "version": "a0e2dab44d22b913b4c228c8b52b2a104434b0b3", "lessThan": "e4d2102018542e3ae5e297bc6e229303abff8a0f", "status": "affected", "versionType": "git" }, { "version": "51eca9f1fd047b500137d021f882d93f03280118", "status": "affected", "versionType": "git" }, { "version": "5.10.215", "lessThan": "5.10.229", "status": "affected", "versionType": "semver" }, { "version": "5.15.154", "lessThan": "5.15.171", "status": "affected", "versionType": "semver" }, { "version": "6.1.81", "lessThan": "6.1.116", "status": "affected", "versionType": "semver" }, { "version": "6.6.21", "lessThan": "6.6.58", "status": "affected", "versionType": "semver" }, { "version": "6.7.9", "lessThan": "6.8", "status": "affected", "versionType": "semver" } ] }, { "product": "Linux", "vendor": "Linux", "defaultStatus": "affected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "arch/x86/include/asm/nospec-branch.h" ], "versions": [ { "version": "6.8", "status": "affected" }, { "version": "0", "lessThan": "6.8", "status": "unaffected", "versionType": "semver" }, { "version": "5.10.229", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.171", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.116", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.58", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.11.5", "lessThanOrEqual": "6.11.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.12", "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": "5.10.215", "versionEndExcluding": "5.10.229" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "5.15.154", "versionEndExcluding": "5.15.171" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.1.81", "versionEndExcluding": "6.1.116" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.6.21", "versionEndExcluding": "6.6.58" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.11.5" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.8", "versionEndExcluding": "6.12" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "6.7.9" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/bfd1d223d80cb29a210caa1bd5e21f0816d58f02" }, { "url": "https://git.kernel.org/stable/c/ada431c6c31a2c8c37991c46089af5caa23a9c6e" }, { "url": "https://git.kernel.org/stable/c/38c5fe74f3bef98f75d16effa49836d50c9b6097" }, { "url": "https://git.kernel.org/stable/c/481b477ab63c7245715a3e57ba79eb87c2dc0d02" }, { "url": "https://git.kernel.org/stable/c/bc576fbaf82deded606e69a00efe9752136bf91d" }, { "url": "https://git.kernel.org/stable/c/e4d2102018542e3ae5e297bc6e229303abff8a0f" } ], "title": "x86/bugs: Use code segment selector for VERW operand", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CVE Program Container", "references": [ { "url": "https://lists.debian.org/debian-lts-announce/2025/03/msg00002.html" }, { "url": "https://lists.debian.org/debian-lts-announce/2025/01/msg00001.html" } ], "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T22:25:06.869Z" } } ] } }