{ "dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": { "cveId": "CVE-2023-52834", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2024-05-21T15:19:24.252Z", "datePublished": "2024-05-21T15:31:35.575Z", "dateUpdated": "2026-08-05T09:11:36.515Z" }, "containers": { "cna": { "providerMetadata": { "orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-08-05T09:11:36.515Z" }, "descriptions": [ { "lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\natl1c: Work around the DMA RX overflow issue\n\nThis is based on alx driver commit 881d0327db37 (\"net: alx: Work around\nthe DMA RX overflow issue\").\n\nThe alx and atl1c drivers had RX overflow error which was why a custom\nallocator was created to avoid certain addresses. The simpler workaround\nthen created for alx driver, but not for atl1c due to lack of tester.\n\nInstead of using a custom allocator, check the allocated skb address and\nuse skb_reserve() to move away from problematic 0x...fc0 address.\n\nTested on AR8131 on Acer 4540." } ], "metrics": [ { "cvssV3_1": { "version": "3.1", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H", "baseScore": 7.5, "baseSeverity": "HIGH" }, "scenarios": [ { "lang": "en", "value": "AV:N - The atl1c RX path programs DMA buffers that are refilled from atl1c_clean_rx after packets arrive on the wired Ethernet NIC; a remote peer can send traffic that drives this refill path on an internet-facing host.\nAC:L - Sustained receive traffic reliably forces RX ring refills, and field reports show the bad 0x...fc0/0x...f80 address condition and resulting RX overflow recur within minutes under load without attacker-controlled timing tricks.\nPR:N - Triggering requires only unauthenticated frames delivered to the NIC RX ring; no local account, capabilities, or protocol authentication gate sits on this path.\nUI:N - No victim action such as mounting a device or opening a file is required; ordinary inbound network traffic is sufficient.\nS:U - Impact stays within the host kernel/network stack authority as a NIC/link failure, without a documented VM escape or IOMMU isolation bypass.\nC:N - Debugging of the same silicon issue found no overrun of skb payload contents; the failure mode is an RX FIFO overflow that stops receive, not an information-disclosure primitive.\nI:N - The bug produces RXF overflow/link loss and possible device reset rather than an attacker-controlled write to kernel memory or packet data integrity compromise.\nA:H - Once the overflow hits, the interface stops receiving and typically requires module reload or reboot to recover, fully denying network availability on the affected NIC." } ] } ], "affected": [ { "product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": [ "drivers/net/ethernet/atheros/atl1c/atl1c.h", "drivers/net/ethernet/atheros/atl1c/atl1c_main.c" ], "versions": [ { "version": "43250ddd75a35d1f7926d989a10fefd30c37eaa7", "lessThan": "c29a89b23f67ee592f4dee61f9d7efbf86d60315", "status": "affected", "versionType": "git" }, { "version": "43250ddd75a35d1f7926d989a10fefd30c37eaa7", "lessThan": "57e44ff9c2c9747b2b1a53556810b0e5192655d6", "status": "affected", "versionType": "git" }, { "version": "43250ddd75a35d1f7926d989a10fefd30c37eaa7", "lessThan": "54a6152da4993ec8e4b53dc3cf577f5a2c829afa", "status": "affected", "versionType": "git" }, { "version": "43250ddd75a35d1f7926d989a10fefd30c37eaa7", "lessThan": "32f08b7b430ee01ec47d730f961a3306c1c7b6fb", "status": "affected", "versionType": "git" }, { "version": "43250ddd75a35d1f7926d989a10fefd30c37eaa7", "lessThan": "86565682e9053e5deb128193ea9e88531bbae9cf", "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/net/ethernet/atheros/atl1c/atl1c.h", "drivers/net/ethernet/atheros/atl1c/atl1c_main.c" ], "versions": [ { "version": "2.6.29", "status": "affected" }, { "version": "0", "lessThan": "2.6.29", "status": "unaffected", "versionType": "semver" }, { "version": "5.15.140", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.1.64", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.5.13", "lessThanOrEqual": "6.5.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.6.3", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver" }, { "version": "6.7", "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": "2.6.29", "versionEndExcluding": "5.15.140" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.29", "versionEndExcluding": "6.1.64" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.29", "versionEndExcluding": "6.5.13" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.29", "versionEndExcluding": "6.6.3" }, { "vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "2.6.29", "versionEndExcluding": "6.7" } ] } ] } ], "references": [ { "url": "https://git.kernel.org/stable/c/c29a89b23f67ee592f4dee61f9d7efbf86d60315" }, { "url": "https://git.kernel.org/stable/c/57e44ff9c2c9747b2b1a53556810b0e5192655d6" }, { "url": "https://git.kernel.org/stable/c/54a6152da4993ec8e4b53dc3cf577f5a2c829afa" }, { "url": "https://git.kernel.org/stable/c/32f08b7b430ee01ec47d730f961a3306c1c7b6fb" }, { "url": "https://git.kernel.org/stable/c/86565682e9053e5deb128193ea9e88531bbae9cf" } ], "title": "atl1c: Work around the DMA RX overflow issue", "x_generator": { "engine": "bippy-1.2.0" } }, "adp": [ { "title": "CISA ADP Vulnrichment", "metrics": [ { "other": { "type": "ssvc", "content": { "id": "CVE-2023-52834", "role": "CISA Coordinator", "options": [ { "Exploitation": "none" }, { "Automatable": "no" }, { "Technical Impact": "partial" } ], "version": "2.0.3", "timestamp": "2024-05-21T18:09:31.471989Z" } } } ], "providerMetadata": { "orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0", "shortName": "CISA-ADP", "dateUpdated": "2024-06-04T17:23:26.205Z" } }, { "providerMetadata": { "orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2024-08-02T23:11:36.046Z" }, "title": "CVE Program Container", "references": [ { "url": "https://git.kernel.org/stable/c/c29a89b23f67ee592f4dee61f9d7efbf86d60315", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/57e44ff9c2c9747b2b1a53556810b0e5192655d6", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/54a6152da4993ec8e4b53dc3cf577f5a2c829afa", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/32f08b7b430ee01ec47d730f961a3306c1c7b6fb", "tags": [ "x_transferred" ] }, { "url": "https://git.kernel.org/stable/c/86565682e9053e5deb128193ea9e88531bbae9cf", "tags": [ "x_transferred" ] } ] } ] } }