{ "document":{ "aggregate_severity":{ "namespace":"https://nvd.nist.gov/vuln-metrics/cvss", "text":"High" }, "category":"csaf_vex", "csaf_version":"2.0", "distribution":{ "tlp":{ "label":"WHITE", "url":"https:/www.first.org/tlp/" } }, "lang":"en", "notes":[ { "text":"kernel security update", "category":"general", "title":"Synopsis" }, { "text":"An update for kernel is now available for openEuler-22.03-LTS-SP4", "category":"general", "title":"Summary" }, { "text":"The Linux Kernel, the operating system core itself.\n\nSecurity Fix(es):\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\nmedia: dvb-frontends: w7090p: fix null-ptr-deref in w7090p_tuner_write_serpar and w7090p_tuner_read_serpar\n\nIn w7090p_tuner_write_serpar, msg is controlled by user. When msg[0].buf is null and msg[0].len is zero, former checks on msg[0].buf would be passed. If accessing msg[0].buf[2] without sanity check, null pointer deref would happen. We add\ncheck on msg[0].len to prevent crash.\n\nSimilar commit: commit 0ed554fd769a (\"media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()\")(CVE-2025-38693)\n\nIn the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Validate i_depth for exhash directories\n\nA fuzzer test introduced corruption that ends up with a depth of 0 in\ndir_e_read(), causing an undefined shift by 32 at:\n\n index = hash >> (32 - dip->i_depth);\n\nAs calculated in an open-coded way in dir_make_exhash(), the minimum\ndepth for an exhash directory is ilog2(sdp->sd_hash_ptrs) and 0 is\ninvalid as sdp->sd_hash_ptrs is fixed as sdp->bsize / 16 at mount time.\n\nSo we can avoid the undefined behaviour by checking for depth values\nlower than the minimum in gfs2_dinode_in(). Values greater than the\nmaximum are already being checked for there.\n\nAlso switch the calculation in dir_make_exhash() to use ilog2() to\nclarify how the depth is calculated.\n\nTested with the syzkaller repro.c and xfstests '-g quick'.(CVE-2025-38710)", "category":"general", "title":"Description" }, { "text":"An update for kernel is now available for openEuler-22.03-LTS-SP4.\n\nopenEuler Security has rated this update as having a security impact of high. A Common Vunlnerability Scoring System(CVSS)base score,which gives a detailed severity rating, is available for each vulnerability from the CVElink(s) in the References section.", "category":"general", "title":"Topic" }, { "text":"High", "category":"general", "title":"Severity" }, { "text":"kernel", "category":"general", "title":"Affected Component" } ], "publisher":{ "issuing_authority":"openEuler security committee", "name":"openEuler", "namespace":"https://www.openeuler.org", "contact_details":"openeuler-security@openeuler.org", "category":"vendor" }, "references":[ { "summary":"openEuler-SA-2025-2314", "category":"self", "url":"https://www.openeuler.org/zh/security/security-bulletins/detail/?id=openEuler-SA-2025-2314" }, { "summary":"CVE-2025-38693", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2025-38693&packageName=kernel" }, { "summary":"CVE-2025-38710", "category":"self", "url":"https://www.openeuler.org/en/security/cve/detail/?cveId=CVE-2025-38710&packageName=kernel" }, { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38693" }, { "summary":"nvd cve", "category":"external", "url":"https://nvd.nist.gov/vuln/detail/CVE-2025-38710" }, { "summary":"openEuler-SA-2025-2314 vex file", "category":"self", "url":"https://repo.openeuler.org/security/data/csaf/advisories/2025/csaf-openeuler-sa-2025-2314.json" } ], "title":"An update for kernel is now available for openEuler-22.03-LTS-SP4", "tracking":{ "initial_release_date":"2025-09-19T21:15:53+08:00", "revision_history":[ { "date":"2025-09-19T21:15:53+08:00", "summary":"Initial", "number":"1.0.0" } ], "generator":{ "date":"2025-09-19T21:15:53+08:00", "engine":{ "name":"openEuler CSAF Tool V1.0" } }, "current_release_date":"2025-09-19T21:15:53+08:00", "id":"openEuler-SA-2025-2314", "version":"1.0.0", "status":"final" } }, "product_tree":{ "branches":[ { 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msg is controlled by user. When msg[0].buf is null and msg[0].len is zero, former checks on msg[0].buf would be passed. If accessing msg[0].buf[2] without sanity check, null pointer deref would happen. We add\ncheck on msg[0].len to prevent crash.\n\nSimilar commit: commit 0ed554fd769a (\"media: dvb-usb: az6027: fix null-ptr-deref in az6027_i2c_xfer()\")", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-22.03-LTS-SP4:bpftool-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:bpftool-debuginfo-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-debuginfo-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-debugsource-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-devel-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-headers-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-source-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-tools-5.10.0-282.0.0.185.oe2203sp4.aarch64", 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"openEuler-22.03-LTS-SP4:perf-debuginfo-5.10.0-282.0.0.185.oe2203sp4.x86_64", "openEuler-22.03-LTS-SP4:python3-perf-5.10.0-282.0.0.185.oe2203sp4.x86_64", "openEuler-22.03-LTS-SP4:python3-perf-debuginfo-5.10.0-282.0.0.185.oe2203sp4.x86_64", "openEuler-22.03-LTS-SP4:kernel-5.10.0-282.0.0.185.oe2203sp4.src" ] } ], "threats":[ { "details":"Low", "category":"impact" } ], "title":"CVE-2025-38693" }, { "cve":"CVE-2025-38710", "notes":[ { "text":"In the Linux kernel, the following vulnerability has been resolved:\n\ngfs2: Validate i_depth for exhash directories\n\nA fuzzer test introduced corruption that ends up with a depth of 0 in\ndir_e_read(), causing an undefined shift by 32 at:\n\n index = hash >> (32 - dip->i_depth);\n\nAs calculated in an open-coded way in dir_make_exhash(), the minimum\ndepth for an exhash directory is ilog2(sdp->sd_hash_ptrs) and 0 is\ninvalid as sdp->sd_hash_ptrs is fixed as sdp->bsize / 16 at mount time.\n\nSo we can avoid the undefined behaviour by checking for depth values\nlower than the minimum in gfs2_dinode_in(). Values greater than the\nmaximum are already being checked for there.\n\nAlso switch the calculation in dir_make_exhash() to use ilog2() to\nclarify how the depth is calculated.\n\nTested with the syzkaller repro.c and xfstests '-g quick'.", "category":"description", "title":"Vulnerability Description" } ], "product_status":{ "fixed":[ "openEuler-22.03-LTS-SP4:bpftool-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:bpftool-debuginfo-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-debuginfo-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-debugsource-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-devel-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-headers-5.10.0-282.0.0.185.oe2203sp4.aarch64", "openEuler-22.03-LTS-SP4:kernel-source-5.10.0-282.0.0.185.oe2203sp4.aarch64", 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