{"dataType": "CVE_RECORD", "dataVersion": "5.2", "cveMetadata": {"cveId": "CVE-2025-38263", "assignerOrgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "state": "PUBLISHED", "assignerShortName": "Linux", "dateReserved": "2025-04-16T04:51:23.997Z", "datePublished": "2025-07-09T10:42:37.990Z", "dateUpdated": "2026-05-11T21:24:25.185Z"}, "containers": {"cna": {"providerMetadata": {"orgId": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "shortName": "Linux", "dateUpdated": "2026-05-11T21:24:25.185Z"}, "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbcache: fix NULL pointer in cache_set_flush()\n\n1. LINE#1794 - LINE#1887 is some codes about function of\n bch_cache_set_alloc().\n2. LINE#2078 - LINE#2142 is some codes about function of\n register_cache_set().\n3. register_cache_set() will call bch_cache_set_alloc() in LINE#2098.\n\n 1794 struct cache_set *bch_cache_set_alloc(struct cache_sb *sb)\n 1795 {\n ...\n 1860 if (!(c->devices = kcalloc(c->nr_uuids, sizeof(void *), GFP_KERNEL)) ||\n 1861 mempool_init_slab_pool(&c->search, 32, bch_search_cache) ||\n 1862 mempool_init_kmalloc_pool(&c->bio_meta, 2,\n 1863 sizeof(struct bbio) + sizeof(struct bio_vec) *\n 1864 bucket_pages(c)) ||\n 1865 mempool_init_kmalloc_pool(&c->fill_iter, 1, iter_size) ||\n 1866 bioset_init(&c->bio_split, 4, offsetof(struct bbio, bio),\n 1867 BIOSET_NEED_BVECS|BIOSET_NEED_RESCUER) ||\n 1868 !(c->uuids = alloc_bucket_pages(GFP_KERNEL, c)) ||\n 1869 !(c->moving_gc_wq = alloc_workqueue(\"bcache_gc\",\n 1870 WQ_MEM_RECLAIM, 0)) ||\n 1871 bch_journal_alloc(c) ||\n 1872 bch_btree_cache_alloc(c) ||\n 1873 bch_open_buckets_alloc(c) ||\n 1874 bch_bset_sort_state_init(&c->sort, ilog2(c->btree_pages)))\n 1875 goto err;\n ^^^^^^^^\n 1876\n ...\n 1883 return c;\n 1884 err:\n 1885 bch_cache_set_unregister(c);\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n 1886 return NULL;\n 1887 }\n ...\n 2078 static const char *register_cache_set(struct cache *ca)\n 2079 {\n ...\n 2098 c = bch_cache_set_alloc(&ca->sb);\n 2099 if (!c)\n 2100 return err;\n ^^^^^^^^^^\n ...\n 2128 ca->set = c;\n 2129 ca->set->cache[ca->sb.nr_this_dev] = ca;\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n ...\n 2138 return NULL;\n 2139 err:\n 2140 bch_cache_set_unregister(c);\n 2141 return err;\n 2142 }\n\n(1) If LINE#1860 - LINE#1874 is true, then do 'goto err'(LINE#1875) and\n call bch_cache_set_unregister()(LINE#1885).\n(2) As (1) return NULL(LINE#1886), LINE#2098 - LINE#2100 would return.\n(3) As (2) has returned, LINE#2128 - LINE#2129 would do *not* give the\n value to c->cache[], it means that c->cache[] is NULL.\n\nLINE#1624 - LINE#1665 is some codes about function of cache_set_flush().\nAs (1), in LINE#1885 call\nbch_cache_set_unregister()\n---> bch_cache_set_stop()\n ---> closure_queue()\n -.-> cache_set_flush() (as below LINE#1624)\n\n 1624 static void cache_set_flush(struct closure *cl)\n 1625 {\n ...\n 1654 for_each_cache(ca, c, i)\n 1655 if (ca->alloc_thread)\n ^^\n 1656 kthread_stop(ca->alloc_thread);\n ...\n 1665 }\n\n(4) In LINE#1655 ca is NULL(see (3)) in cache_set_flush() then the\n kernel crash occurred as below:\n[ 846.712887] bcache: register_cache() error drbd6: cannot allocate memory\n[ 846.713242] bcache: register_bcache() error : failed to register device\n[ 846.713336] bcache: cache_set_free() Cache set 2f84bdc1-498a-4f2f-98a7-01946bf54287 unregistered\n[ 846.713768] BUG: unable to handle kernel NULL pointer dereference at 00000000000009f8\n[ 846.714790] PGD 0 P4D 0\n[ 846.715129] Oops: 0000 [#1] SMP PTI\n[ 846.715472] CPU: 19 PID: 5057 Comm: kworker/19:16 Kdump: loaded Tainted: G OE --------- - - 4.18.0-147.5.1.el8_1.5es.3.x86_64 #1\n[ 846.716082] Hardware name: ESPAN GI-25212/X11DPL-i, BIOS 2.1 06/15/2018\n[ 846.716451] Workqueue: events cache_set_flush [bcache]\n[ 846.716808] RIP: 0010:cache_set_flush+0xc9/0x1b0 [bcache]\n[ 846.717155] Code: 00 4c 89 a5 b0 03 00 00 48 8b 85 68 f6 ff ff a8 08 0f 84 88 00 00 00 31 db 66 83 bd 3c f7 ff ff 00 48 8b 85 48 ff ff ff 74 28 <48> 8b b8 f8 09 00 0\n---truncated---"}], "affected": [{"product": "Linux", "vendor": "Linux", "defaultStatus": "unaffected", "repo": "https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git", "programFiles": ["drivers/md/bcache/super.c"], "versions": [{"version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060", "lessThan": "d54681938b777488e5dfb781b566d16adad991de", "status": "affected", "versionType": "git"}, {"version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060", "lessThan": "1f25f2d3fa29325320c19a30abf787e0bd5fc91b", "status": "affected", "versionType": "git"}, {"version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060", "lessThan": "c4f5e7e417034b05f5d2f5fa9a872db897da69bd", "status": "affected", "versionType": "git"}, {"version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060", "lessThan": "553f560e0a74a7008ad9dba05c3fd05da296befb", "status": "affected", "versionType": "git"}, {"version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060", "lessThan": "667c3f52373ff5354cb3543e27237eb7df7b2333", "status": "affected", "versionType": "git"}, {"version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060", "lessThan": "3f9e128186c99a117e304f1dce6d0b9e50c63cd8", "status": "affected", "versionType": "git"}, {"version": "cafe563591446cf80bfbc2fe3bc72a2e36cf1060", "lessThan": "1e46ed947ec658f89f1a910d880cd05e42d3763e", "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/md/bcache/super.c"], "versions": [{"version": "3.10", "status": "affected"}, {"version": "0", "lessThan": "3.10", "status": "unaffected", "versionType": "semver"}, {"version": "5.10.240", "lessThanOrEqual": "5.10.*", "status": "unaffected", "versionType": "semver"}, {"version": "5.15.187", "lessThanOrEqual": "5.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.1.143", "lessThanOrEqual": "6.1.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.6.96", "lessThanOrEqual": "6.6.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.12.36", "lessThanOrEqual": "6.12.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.15.5", "lessThanOrEqual": "6.15.*", "status": "unaffected", "versionType": "semver"}, {"version": "6.16", "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": "3.10", "versionEndExcluding": "5.10.240"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "5.15.187"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.1.143"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.6.96"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.12.36"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.15.5"}, {"vulnerable": true, "criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "versionStartIncluding": "3.10", "versionEndExcluding": "6.16"}]}]}], "references": [{"url": "https://git.kernel.org/stable/c/d54681938b777488e5dfb781b566d16adad991de"}, {"url": "https://git.kernel.org/stable/c/1f25f2d3fa29325320c19a30abf787e0bd5fc91b"}, {"url": "https://git.kernel.org/stable/c/c4f5e7e417034b05f5d2f5fa9a872db897da69bd"}, {"url": "https://git.kernel.org/stable/c/553f560e0a74a7008ad9dba05c3fd05da296befb"}, {"url": "https://git.kernel.org/stable/c/667c3f52373ff5354cb3543e27237eb7df7b2333"}, {"url": "https://git.kernel.org/stable/c/3f9e128186c99a117e304f1dce6d0b9e50c63cd8"}, {"url": "https://git.kernel.org/stable/c/1e46ed947ec658f89f1a910d880cd05e42d3763e"}], "title": "bcache: fix NULL pointer in cache_set_flush()", "x_generator": {"engine": "bippy-1.2.0"}}, "adp": [{"title": "CVE Program Container", "references": [{"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}, {"url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}], "providerMetadata": {"orgId": "af854a3a-2127-422b-91ae-364da2661108", "shortName": "CVE", "dateUpdated": "2025-11-03T17:36:06.203Z"}}]}}

{}

{"configurations": [{"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "089EF73B-7C46-4864-B04A-B4A310D2E17B", "versionEndExcluding": "5.10.240", "versionStartIncluding": "3.10", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "4BD28D29-423C-4173-9DB8-3BA14E9F665D", "versionEndExcluding": "5.15.187", "versionStartIncluding": "5.11", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "FC77EF56-FA90-40B6-AF3C-9BBE6D4BEAD8", "versionEndExcluding": "6.1.143", "versionStartIncluding": "5.16", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "6AB3EB1A-48DE-47F4-9202-D0C58A0F6060", "versionEndExcluding": "6.6.96", "versionStartIncluding": "6.2", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "2BD88DEC-018F-4F40-8E29-A2CA89813EBA", "versionEndExcluding": "6.12.36", "versionStartIncluding": "6.7", "vulnerable": true}, {"criteria": "cpe:2.3:o:linux:linux_kernel:*:*:*:*:*:*:*:*", "matchCriteriaId": "0CC768E2-3BBC-4A6E-9C2F-ECB27A703C2D", "versionEndExcluding": "6.15.5", "versionStartIncluding": "6.13", "vulnerable": true}], "negate": false, "operator": "OR"}]}, {"nodes": [{"cpeMatch": [{"criteria": "cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*", "matchCriteriaId": "FA6FEEC2-9F11-4643-8827-749718254FED", "vulnerable": true}], "negate": false, "operator": "OR"}]}], "cveTags": [], "descriptions": [{"lang": "en", "value": "In the Linux kernel, the following vulnerability has been resolved:\n\nbcache: fix NULL pointer in cache_set_flush()\n\n1. LINE#1794 - LINE#1887 is some codes about function of\n bch_cache_set_alloc().\n2. LINE#2078 - LINE#2142 is some codes about function of\n register_cache_set().\n3. register_cache_set() will call bch_cache_set_alloc() in LINE#2098.\n\n 1794 struct cache_set *bch_cache_set_alloc(struct cache_sb *sb)\n 1795 {\n ...\n 1860 if (!(c->devices = kcalloc(c->nr_uuids, sizeof(void *), GFP_KERNEL)) ||\n 1861 mempool_init_slab_pool(&c->search, 32, bch_search_cache) ||\n 1862 mempool_init_kmalloc_pool(&c->bio_meta, 2,\n 1863 sizeof(struct bbio) + sizeof(struct bio_vec) *\n 1864 bucket_pages(c)) ||\n 1865 mempool_init_kmalloc_pool(&c->fill_iter, 1, iter_size) ||\n 1866 bioset_init(&c->bio_split, 4, offsetof(struct bbio, bio),\n 1867 BIOSET_NEED_BVECS|BIOSET_NEED_RESCUER) ||\n 1868 !(c->uuids = alloc_bucket_pages(GFP_KERNEL, c)) ||\n 1869 !(c->moving_gc_wq = alloc_workqueue(\"bcache_gc\",\n 1870 WQ_MEM_RECLAIM, 0)) ||\n 1871 bch_journal_alloc(c) ||\n 1872 bch_btree_cache_alloc(c) ||\n 1873 bch_open_buckets_alloc(c) ||\n 1874 bch_bset_sort_state_init(&c->sort, ilog2(c->btree_pages)))\n 1875 goto err;\n ^^^^^^^^\n 1876\n ...\n 1883 return c;\n 1884 err:\n 1885 bch_cache_set_unregister(c);\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^\n 1886 return NULL;\n 1887 }\n ...\n 2078 static const char *register_cache_set(struct cache *ca)\n 2079 {\n ...\n 2098 c = bch_cache_set_alloc(&ca->sb);\n 2099 if (!c)\n 2100 return err;\n ^^^^^^^^^^\n ...\n 2128 ca->set = c;\n 2129 ca->set->cache[ca->sb.nr_this_dev] = ca;\n ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^\n ...\n 2138 return NULL;\n 2139 err:\n 2140 bch_cache_set_unregister(c);\n 2141 return err;\n 2142 }\n\n(1) If LINE#1860 - LINE#1874 is true, then do 'goto err'(LINE#1875) and\n call bch_cache_set_unregister()(LINE#1885).\n(2) As (1) return NULL(LINE#1886), LINE#2098 - LINE#2100 would return.\n(3) As (2) has returned, LINE#2128 - LINE#2129 would do *not* give the\n value to c->cache[], it means that c->cache[] is NULL.\n\nLINE#1624 - LINE#1665 is some codes about function of cache_set_flush().\nAs (1), in LINE#1885 call\nbch_cache_set_unregister()\n---> bch_cache_set_stop()\n ---> closure_queue()\n -.-> cache_set_flush() (as below LINE#1624)\n\n 1624 static void cache_set_flush(struct closure *cl)\n 1625 {\n ...\n 1654 for_each_cache(ca, c, i)\n 1655 if (ca->alloc_thread)\n ^^\n 1656 kthread_stop(ca->alloc_thread);\n ...\n 1665 }\n\n(4) In LINE#1655 ca is NULL(see (3)) in cache_set_flush() then the\n kernel crash occurred as below:\n[ 846.712887] bcache: register_cache() error drbd6: cannot allocate memory\n[ 846.713242] bcache: register_bcache() error : failed to register device\n[ 846.713336] bcache: cache_set_free() Cache set 2f84bdc1-498a-4f2f-98a7-01946bf54287 unregistered\n[ 846.713768] BUG: unable to handle kernel NULL pointer dereference at 00000000000009f8\n[ 846.714790] PGD 0 P4D 0\n[ 846.715129] Oops: 0000 [#1] SMP PTI\n[ 846.715472] CPU: 19 PID: 5057 Comm: kworker/19:16 Kdump: loaded Tainted: G OE --------- - - 4.18.0-147.5.1.el8_1.5es.3.x86_64 #1\n[ 846.716082] Hardware name: ESPAN GI-25212/X11DPL-i, BIOS 2.1 06/15/2018\n[ 846.716451] Workqueue: events cache_set_flush [bcache]\n[ 846.716808] RIP: 0010:cache_set_flush+0xc9/0x1b0 [bcache]\n[ 846.717155] Code: 00 4c 89 a5 b0 03 00 00 48 8b 85 68 f6 ff ff a8 08 0f 84 88 00 00 00 31 db 66 83 bd 3c f7 ff ff 00 48 8b 85 48 ff ff ff 74 28 <48> 8b b8 f8 09 00 0\n---truncated---"}, {"lang": "es", "value": "En el kernel de Linux, se ha resuelto la siguiente vulnerabilidad: bcache: arregla el puntero NULL en cache_set_flush() 1. L\u00cdNEA#1794 - L\u00cdNEA#1887 son algunos c\u00f3digos sobre la funci\u00f3n de bch_cache_set_alloc(). 2. L\u00cdNEA#2078 - L\u00cdNEA#2142 son algunos c\u00f3digos sobre la funci\u00f3n de register_cache_set(). 3. register_cache_set() llamar\u00e1 a bch_cache_set_alloc() en la L\u00cdNEA#2098. 1794 estructura cach\u00e9_set *bch_cache_set_alloc(estructura cach\u00e9_sb *sb) 1795 { ... 1860 si (!(c-&gt;dispositivos = kcalloc(c-&gt;nr_uuids, tama\u00f1o de(void *), GFP_KERNEL)) || 1861 mempool_init_slab_pool(&amp;c-&gt;b\u00fasqueda, 32, bch_b\u00fasqueda_cache) || 1862 mempool_init_kmalloc_pool(&amp;c-&gt;bio_meta, 2, 1863 tama\u00f1o de(estructura bbio) + tama\u00f1o de(estructura bio_vec) * 1864 p\u00e1ginas_de_dep\u00f3sito(c)) || 1865 mempool_init_kmalloc_pool(&amp;c-&gt;rellenar_iter, 1, tama\u00f1o_de_iter) || 1866 bioset_init(&amp;c-&gt;bio_split, 4, offsetof(struct bbio, bio), 1867 BIOSET_NEED_BVECS|BIOSET_NEED_RESCUER) || 1868 !(c-&gt;uuids = alloc_bucket_pages(GFP_KERNEL, c)) || 1869 !(c-&gt;moving_gc_wq = alloc_workqueue(\"bcache_gc\", 1870 WQ_MEM_RECLAIM, 0)) || 1871 bch_journal_alloc(c) || 1872 bch_btree_cache_alloc(c) || 1873 bch_open_buckets_alloc(c) || 1874 bch_bset_sort_state_init(&amp;c-&gt;sort, ilog2(c-&gt;btree_pages))) 1875 goto err; ^^^^^^^^ 1876 ... 1883 devolver c; 1884 err: 1885 bch_cache_set_unregister(c); ^^^^^^^^^^^^^^^^^^^^^^^^^^^^ 1886 devolver NULL; 1887 } ... 2078 static const char *register_cache_set(struct cache *ca) 2079 { ... 2098 c = bch_cache_set_alloc(&amp;ca-&gt;sb); 2099 if (!c) 2100 devolver err; ^^^^^^^^^^ ... 2128 ca-&gt;set = c; 2129 ca-&gt;set-&gt;cache[ca-&gt;sb.nr_this_dev] = ca; ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^... 2138 return NULL; 2139 err: 2140 bch_cache_set_unregister(c); 2141 return err; 2142 } (1) Si L\u00cdNEA#1860 - L\u00cdNEA#1874 es verdadero, entonces haga 'goto err'(L\u00cdNEA#1875) y llame a bch_cache_set_unregister()(L\u00cdNEA#1885). (2) Como (1) devuelve NULL(L\u00cdNEA#1886), L\u00cdNEA#2098 - L\u00cdNEA#2100 retornar\u00eda. (3) Como (2) ha retornado, la L\u00cdNEA n.\u00ba 2128 - L\u00cdNEA n.\u00ba 2129 *no* dar\u00eda el valor a c-&gt;cache[], lo que significa que c-&gt;cache[] es NULL. LA L\u00cdNEA n.\u00ba 1624 - L\u00cdNEA n.\u00ba 1665 son algunos c\u00f3digos sobre la funci\u00f3n de cache_set_flush(). Como (1), en la L\u00cdNEA n.\u00ba 1885 llame a bch_cache_set_unregister() ---&gt; bch_cache_set_stop() ---&gt; closure_queue() -.-&gt; cache_set_flush() (como se muestra a continuaci\u00f3n en la L\u00cdNEA n.\u00ba 1624) 1624 static void cache_set_flush(struct closure *cl) 1625 { ... 1654 for_each_cache(ca, c, i) 1655 if (ca-&gt;alloc_thread) ^^ 1656 kthread_stop(ca-&gt;alloc_thread); ... 1665 } (4) En la L\u00cdNEA n.\u00ba 1655 ca es NULL (ver (3)) en cache_set_flush(), entonces ocurri\u00f3 el fallo del n\u00facleo como se muestra a continuaci\u00f3n: [846.712887] bcache: error de register_cache() drbd6: no se puede asignar memoria [846.713242] bcache: error de register_bcache(): no se pudo registrar el dispositivo [846.713336] bcache: cache_set_free() Conjunto de cach\u00e9 2f84bdc1-498a-4f2f-98a7-01946bf54287 no registrado [846.713768] ERROR: no se puede manejar la desreferencia del puntero NULL del n\u00facleo en 00000000000009f8 [846.714790] PGD 0 P4D 0 [ 846.715129] Oops: 0000 [#1] SMP PTI [ 846.715472] CPU: 19 PID: 5057 Comm: kworker/19:16 Kdump: cargado Contaminado: G OE --------- - - 4.18.0-147.5.1.el8_1.5es.3.x86_64 #1 [ 846.716082] Nombre del hardware: ESPAN GI-25212/X11DPL-i, BIOS 2.1 15/06/2018 [ 846.716451] Cola de trabajo: eventos cache_set_flush [bcache] [ 846.716808] RIP: 0010:cache_set_flush+0xc9/0x1b0 [bcache] [ 846.717155] C\u00f3digo: 00 4c 89 a5 b0 03 00 00 48 8b 85 68 f6 ff ff a8 08 0f 84 88 00 00 00 31 db 66 83 bd 3c f7 ff ff 00 48 8b 85 48 ff ff ff 74 28 &lt;48&gt; 8b b8 f8 09 00 0 ---truncado---"}], "id": "CVE-2025-38263", "lastModified": "2025-12-18T16:58:38.157", "metrics": {"cvssMetricV31": [{"cvssData": {"attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 5.5, "baseSeverity": "MEDIUM", "confidentialityImpact": "NONE", "integrityImpact": "NONE", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "version": "3.1"}, "exploitabilityScore": 1.8, "impactScore": 3.6, "source": "nvd@nist.gov", "type": "Primary"}]}, "published": "2025-07-09T11:15:28.690", "references": [{"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1e46ed947ec658f89f1a910d880cd05e42d3763e"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/1f25f2d3fa29325320c19a30abf787e0bd5fc91b"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/3f9e128186c99a117e304f1dce6d0b9e50c63cd8"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/553f560e0a74a7008ad9dba05c3fd05da296befb"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/667c3f52373ff5354cb3543e27237eb7df7b2333"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/c4f5e7e417034b05f5d2f5fa9a872db897da69bd"}, {"source": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "tags": ["Patch"], "url": "https://git.kernel.org/stable/c/d54681938b777488e5dfb781b566d16adad991de"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00007.html"}, {"source": "af854a3a-2127-422b-91ae-364da2661108", "tags": ["Third Party Advisory", "Mailing List"], "url": "https://lists.debian.org/debian-lts-announce/2025/10/msg00008.html"}], "sourceIdentifier": "416baaa9-dc9f-4396-8d5f-8c081fb06d67", "vulnStatus": "Analyzed", "weaknesses": [{"description": [{"lang": "en", "value": "CWE-476"}], "source": "nvd@nist.gov", "type": "Primary"}]}

{"bugzilla": {"description": "kernel: bcache: fix NULL pointer in cache_set_flush()", "id": "2378992", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2378992"}, "csaw": false, "cvss3": {"cvss3_base_score": "5.5", "cvss3_scoring_vector": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H", "status": "draft"}, "details": ["No description is available for this CVE."], "name": "CVE-2025-38263", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 10"}, {"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": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Not affected", "package_name": "kernel-rt", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2025-07-09T00:00:00Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2025-38263\nhttps://nvd.nist.gov/vuln/detail/CVE-2025-38263\nhttps://lore.kernel.org/linux-cve-announce/2025070937-CVE-2025-38263-cc93@gregkh/T"], "threat_severity": "Moderate"}

{"created": "2025-07-13T21:08:05.548780+00:00", "updated": "2025-07-13T21:08:05.548843+00:00", "vendors": ["linux", "linux$PRODUCT$linux_kernel"]}