{"schemaVersion":3,"id":"SUSE-SU-2023:3785-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"Security update for the Linux Kernel\n\n\nThe SUSE Linux Enterprise 15 SP3 RT kernel was updated to receive various security and bugfixes.\n\nThe following security bugs were fixed:\n\n- CVE-2022-36402: Fixed an integer overflow vulnerability in vmwgfx driver in that allowed a local attacker with a user account on the system to gain privilege, causing a denial of service (bsc#1203517).\n- CVE-2023-2007: Fixed a flaw in the DPT I2O Controller driver that could allow an attacker to escalate privileges and execute arbitrary code in the context of the kernel (bsc#1210448).\n- CVE-2023-3772: Fixed a flaw in XFRM subsystem that may have allowed a malicious user with CAP_NET_ADMIN privileges to directly dereference a NULL pointer leading to a possible kernel crash and denial of service (bsc#1213666).\n- CVE-2023-3863: Fixed a use-after-free flaw was found in nfc_llcp_find_local that allowed a local user with special privileges to impact a kernel information leak issue (bsc#1213601).\n- CVE-2023-4128: Fixed a use-after-free flaw in net/sched/cls_fw.c that allowed a local attacker to perform a local privilege escalation due to incorrect handling of the existing filter, leading to a kernel information leak issue (bsc#1214149).\n- CVE-2023-4132: Fixed use-after-free vulnerability was found in the siano smsusb module that allowed a local user to crash the system, causing a denial of service condition (bsc#1213969).\n- CVE-2023-4133: Fixed use after free bugs caused by circular dependency problem in cxgb4 (bsc#1213970).\n- CVE-2023-4134: Fixed use-after-free in cyttsp4_watchdog_work() (bsc#1213971).\n- CVE-2023-4147: Fixed use-after-free in nf_tables_newrule (bsc#1213968).\n- CVE-2023-4194: Fixed a type confusion in net tun_chr_open() (bsc#1214019).\n- CVE-2023-4273: Fixed a flaw in the exFAT driver of the Linux kernel that alloawed a local privileged attacker to overflow the kernel stack (bsc#1214120).\n- CVE-2023-4385: Fixed a NULL pointer dereference flaw in dbFree that may have allowed a local attacker to crash the system due to a missing sanity check (bsc#1214348).\n- CVE-2023-4387: Fixed use-after-free flaw in vmxnet3_rq_alloc_rx_buf that could allow a local attacker to crash the system due to a double-free (bsc#1214350).\n- CVE-2023-4459: Fixed a NULL pointer dereference flaw in vmxnet3_rq_cleanup that may have allowed a local attacker with normal user privilege to cause a denial of service (bsc#1214451).\n- CVE-2023-20588: Fixed a division-by-zero error on some AMD processors that can potentially return speculative data resulting in loss of confidentiality (bsc#1213927).\n- CVE-2023-21400: Fixed several memory corruptions due to improper locking in io_uring (bsc#1213272).\n- CVE-2023-34319: Fixed buffer overrun triggered by unusual packet in xen/netback (XSA-432) (bsc#1213546).\n\nThe following non-security bugs were fixed:\n\n- ARM: spear: Do not use timer namespace for timer_shutdown() function (bsc#1213970).\n- Do not add and remove genksyms ifdefs\n- clocksource/drivers/arm_arch_timer: Do not use timer namespace for timer_shutdown() function (bsc#1213970).\n- clocksource/drivers/sp804: Do not use timer namespace for timer_shutdown() function (bsc#1213970).\n- e1000: Fix fall-through warnings for Clang (jsc#PED-5738).\n- e1000: Fix typos in comments (jsc#PED-5738).\n- e1000: Remove unnecessary use of kmap_atomic() (jsc#PED-5738).\n- e1000: drop unneeded assignment in e1000_set_itr() (jsc#PED-5738).\n- e1000: switch to napi_consume_skb() (jsc#PED-5738).\n- intel/e1000:fix repeated words in comments (jsc#PED-5738).\n- intel: remove checker warning (jsc#PED-5738).\n- kabi/severities: Ignore newly added SRSO mitigation functions\n- md/raid0: Factor out helper for mapping and submitting a bio (bsc#1213916).\n- md/raid0: Fix performance regression for large sequential writes (bsc#1213916).\n- net: e1000: remove repeated word 'slot' for e1000_main.c (jsc#PED-5738).\n- net: e1000: remove repeated words for e1000_hw.c (jsc#PED-5738).\n- powerpc/rtas: block error injection when locked down (bsc#1023051).\n- powerpc/rtas: mandate RTAS syscall filtering (bsc#1023051).\n- powerpc/rtas: move syscall filter setup into separate function (bsc#1023051).\n- powerpc/rtas: remove ibm_suspend_me_token (bsc#1023051).\n- powerpc: Move DMA64_PROPNAME define to a header (bsc#1214297 ltc#197503).\n- pseries/iommu/ddw: Fix kdump to work in absence of ibm,dma-window (bsc#1214297 ltc#197503).\n- timers: Add shutdown mechanism to the internal functions (bsc#1213970).\n- timers: Provide timer_shutdown[_sync]() (bsc#1213970).\n- timers: Rename del_timer() to timer_delete() (bsc#1213970).\n- timers: Rename del_timer_sync() to timer_delete_sync() (bsc#1213970).\n- timers: Replace BUG_ON()s (bsc#1213970).\n- timers: Silently ignore timers with a NULL function (bsc#1213970).\n- timers: Split [try_to_]del_timer[_sync]() to prepare for shutdown mode (bsc#1213970).\n- timers: Update kernel-doc for various functions (bsc#1213970).\n- timers: Use del_timer_sync() even on UP (bsc#1213970).\n- x86/cpu/kvm: Provide UNTRAIN_RET_VM (git-fixes).\n- x86/cpu: Cleanup the untrain mess (git-fixes).\n- x86/cpu: Rename original retbleed methods (git-fixes).\n- x86/cpu: Rename srso_(.*)_alias to srso_alias_\\1 (git-fixes).\n- x86/retpoline: Do not clobber RFLAGS during srso_safe_ret() (git-fixes).\n- x86/speculation: Add cpu_show_gds() prototype (git-fixes).\n- x86/speculation: Mark all Skylake CPUs as vulnerable to GDS (git-fixes).\n- x86/srso: Correct the mitigation status when SMT is disabled (git-fixes).\n- x86/srso: Disable the mitigation on unaffected configurations (git-fixes).\n- x86/srso: Explain the untraining sequences a bit more (git-fixes).\n- x86: Move gds_ucode_mitigated() declaration to header (git-fixes).\n- xfs: fix sb write verify for lazysbcount (bsc#1214275).\n- xfs: gut error handling in xfs_trans_unreserve_and_mod_sb() (bsc#1214275).\n- xfs: update superblock counters correctly for !lazysbcount (bsc#1214275).","dates":{"published":"2023-09-26T11:19:19.000Z","modified":"2026-02-04T03:14:21.508Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"suse","product":"kernel-rt&distro=SUSE Linux Enterprise Micro 5.1","name":"kernel-rt","label":"kernel-rt&distro=SUSE Linux Enterprise Micro 5.1","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/kernel-rt&distro=SUSE Linux Enterprise Micro 5.1","purlType":"rpm","versions":[{"text":"< 5.3.18-150300.141.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.3.18-150300.141.1","eol":null,"hubHref":null},{"vendor":"suse","product":"kernel-rt&distro=SUSE Linux Enterprise Micro 5.2","name":"kernel-rt","label":"kernel-rt&distro=SUSE Linux Enterprise Micro 5.2","ecosystem":"SUSE Linux Enterprise","cpePart":null,"purl":"pkg:rpm/suse/kernel-rt&distro=SUSE Linux Enterprise Micro 5.2","purlType":"rpm","versions":[{"text":"< 5.3.18-150300.141.1","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 5.3.18-150300.141.1","eol":null,"hubHref":null}],"affectedCount":2,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://www.suse.com/support/update/announcement/2023/suse-su-20233785-1/","label":"www.suse.com/support/update/announcement/2023/suse-su-20233785-1/","hostname":"www.suse.com","tags":["Advisory"]},{"url":"https://bugzilla.suse.com/1023051","label":"bugzilla.suse.com/1023051","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1203517","label":"bugzilla.suse.com/1203517","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1210448","label":"bugzilla.suse.com/1210448","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1213272","label":"bugzilla.suse.com/1213272","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1213546","label":"bugzilla.suse.com/1213546","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1213601","label":"bugzilla.suse.com/1213601","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1213666","label":"bugzilla.suse.com/1213666","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1213916","label":"bugzilla.suse.com/1213916","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1213927","label":"bugzilla.suse.com/1213927","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1213968","label":"bugzilla.suse.com/1213968","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1213969","label":"bugzilla.suse.com/1213969","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1213970","label":"bugzilla.suse.com/1213970","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1213971","label":"bugzilla.suse.com/1213971","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1214019","label":"bugzilla.suse.com/1214019","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1214120","label":"bugzilla.suse.com/1214120","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1214149","label":"bugzilla.suse.com/1214149","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1214275","label":"bugzilla.suse.com/1214275","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1214297","label":"bugzilla.suse.com/1214297","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1214348","label":"bugzilla.suse.com/1214348","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1214350","label":"bugzilla.suse.com/1214350","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://bugzilla.suse.com/1214451","label":"bugzilla.suse.com/1214451","hostname":"bugzilla.suse.com","tags":["REPORT"]},{"url":"https://www.suse.com/security/cve/CVE-2022-36402","label":"www.suse.com/security/cve/CVE-2022-36402","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-2007","label":"www.suse.com/security/cve/CVE-2023-2007","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-20588","label":"www.suse.com/security/cve/CVE-2023-20588","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-21400","label":"www.suse.com/security/cve/CVE-2023-21400","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-34319","label":"www.suse.com/security/cve/CVE-2023-34319","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-3772","label":"www.suse.com/security/cve/CVE-2023-3772","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-3863","label":"www.suse.com/security/cve/CVE-2023-3863","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4128","label":"www.suse.com/security/cve/CVE-2023-4128","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4132","label":"www.suse.com/security/cve/CVE-2023-4132","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4133","label":"www.suse.com/security/cve/CVE-2023-4133","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4134","label":"www.suse.com/security/cve/CVE-2023-4134","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4147","label":"www.suse.com/security/cve/CVE-2023-4147","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4194","label":"www.suse.com/security/cve/CVE-2023-4194","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4273","label":"www.suse.com/security/cve/CVE-2023-4273","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4385","label":"www.suse.com/security/cve/CVE-2023-4385","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4387","label":"www.suse.com/security/cve/CVE-2023-4387","hostname":"www.suse.com","tags":["WEB"]},{"url":"https://www.suse.com/security/cve/CVE-2023-4459","label":"www.suse.com/security/cve/CVE-2023-4459","hostname":"www.suse.com","tags":["WEB"]}],"lineage":{"upstream":["CVE-2022-36402","CVE-2023-2007","CVE-2023-20588","CVE-2023-21400","CVE-2023-34319","CVE-2023-3772","CVE-2023-3863","CVE-2023-4128","CVE-2023-4132","CVE-2023-4133","CVE-2023-4134","CVE-2023-4147","CVE-2023-4194","CVE-2023-4273","CVE-2023-4385","CVE-2023-4387","CVE-2023-4459"],"downstream":[],"duplicates":[],"related":["CVE-2022-36402","CVE-2023-2007","CVE-2023-20588","CVE-2023-21400","CVE-2023-34319","CVE-2023-3772","CVE-2023-3863","CVE-2023-4128","CVE-2023-4132","CVE-2023-4133","CVE-2023-4134","CVE-2023-4147","CVE-2023-4194","CVE-2023-4273","CVE-2023-4385","CVE-2023-4387","CVE-2023-4459"]},"timeline":[{"kind":"published","date":"2023-09-26T11:19:19.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-02-04T03:14:21.508Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-21T18:01:47.485Z","stale":false,"partial":false}}