SUSE-SU-2025:1423-1

Vulnerability from csaf_suse - Published: 2025-05-01 16:11 - Updated: 2025-05-01 16:11
Summary
Security update for the Linux Kernel (Live Patch 46 for SLE 15 SP3)
Severity
Important
Notes
Title of the patch: Security update for the Linux Kernel (Live Patch 46 for SLE 15 SP3)
Description of the patch: This update for the Linux Kernel 5.3.18-150300_59_167 fixes several issues. The following security issues were fixed: - CVE-2023-52885: SUNRPC: Fix UAF in svc_tcp_listen_data_ready() (bsc#1227753). - CVE-2024-50205: ALSA: firewire-lib: Avoid division by zero in apply_constraint_to_size() (bsc#1233294). - CVE-2024-56650: netfilter: x_tables: fix LED ID check in led_tg_check() (bsc#1235431).
Patchnames: SUSE-2025-1423,SUSE-SLE-Module-Live-Patching-15-SP3-2025-1423
Terms of use: CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).
CVE-2023-52885
8.1 (High)
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
CVE-2024-50205
7.1 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:H/A:H
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
CVE-2024-56650
7.8 (High)
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Vendor Fix To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or "zypper patch".
References
To clipboard 

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          "text": "https://www.suse.com/security/cve/CVE-2023-52885"
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          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nSUNRPC: Fix UAF in svc_tcp_listen_data_ready()\n\nAfter the listener svc_sock is freed, and before invoking svc_tcp_accept()\nfor the established child sock, there is a window that the newsock\nretaining a freed listener svc_sock in sk_user_data which cloning from\nparent. In the race window, if data is received on the newsock, we will\nobserve use-after-free report in svc_tcp_listen_data_ready().\n\nReproduce by two tasks:\n\n1. while :; do rpc.nfsd 0 ; rpc.nfsd; done\n2. while :; do echo \"\" | ncat -4 127.0.0.1 2049 ; done\n\nKASAN report:\n\n  ==================================================================\n  BUG: KASAN: slab-use-after-free in svc_tcp_listen_data_ready+0x1cf/0x1f0 [sunrpc]\n  Read of size 8 at addr ffff888139d96228 by task nc/102553\n  CPU: 7 PID: 102553 Comm: nc Not tainted 6.3.0+ #18\n  Hardware name: VMware, Inc. VMware Virtual Platform/440BX Desktop Reference Platform, BIOS 6.00 11/12/2020\n  Call Trace:\n   \u003cIRQ\u003e\n   dump_stack_lvl+0x33/0x50\n   print_address_description.constprop.0+0x27/0x310\n   print_report+0x3e/0x70\n   kasan_report+0xae/0xe0\n   svc_tcp_listen_data_ready+0x1cf/0x1f0 [sunrpc]\n   tcp_data_queue+0x9f4/0x20e0\n   tcp_rcv_established+0x666/0x1f60\n   tcp_v4_do_rcv+0x51c/0x850\n   tcp_v4_rcv+0x23fc/0x2e80\n   ip_protocol_deliver_rcu+0x62/0x300\n   ip_local_deliver_finish+0x267/0x350\n   ip_local_deliver+0x18b/0x2d0\n   ip_rcv+0x2fb/0x370\n   __netif_receive_skb_one_core+0x166/0x1b0\n   process_backlog+0x24c/0x5e0\n   __napi_poll+0xa2/0x500\n   net_rx_action+0x854/0xc90\n   __do_softirq+0x1bb/0x5de\n   do_softirq+0xcb/0x100\n   \u003c/IRQ\u003e\n   \u003cTASK\u003e\n   ...\n   \u003c/TASK\u003e\n\n  Allocated by task 102371:\n   kasan_save_stack+0x1e/0x40\n   kasan_set_track+0x21/0x30\n   __kasan_kmalloc+0x7b/0x90\n   svc_setup_socket+0x52/0x4f0 [sunrpc]\n   svc_addsock+0x20d/0x400 [sunrpc]\n   __write_ports_addfd+0x209/0x390 [nfsd]\n   write_ports+0x239/0x2c0 [nfsd]\n   nfsctl_transaction_write+0xac/0x110 [nfsd]\n   vfs_write+0x1c3/0xae0\n   ksys_write+0xed/0x1c0\n   do_syscall_64+0x38/0x90\n   entry_SYSCALL_64_after_hwframe+0x72/0xdc\n\n  Freed by task 102551:\n   kasan_save_stack+0x1e/0x40\n   kasan_set_track+0x21/0x30\n   kasan_save_free_info+0x2a/0x50\n   __kasan_slab_free+0x106/0x190\n   __kmem_cache_free+0x133/0x270\n   svc_xprt_free+0x1e2/0x350 [sunrpc]\n   svc_xprt_destroy_all+0x25a/0x440 [sunrpc]\n   nfsd_put+0x125/0x240 [nfsd]\n   nfsd_svc+0x2cb/0x3c0 [nfsd]\n   write_threads+0x1ac/0x2a0 [nfsd]\n   nfsctl_transaction_write+0xac/0x110 [nfsd]\n   vfs_write+0x1c3/0xae0\n   ksys_write+0xed/0x1c0\n   do_syscall_64+0x38/0x90\n   entry_SYSCALL_64_after_hwframe+0x72/0xdc\n\nFix the UAF by simply doing nothing in svc_tcp_listen_data_ready()\nif state != TCP_LISTEN, that will avoid dereferencing svsk for all\nchild socket.",
          "title": "CVE description"
        }
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        }
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        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nALSA: firewire-lib: Avoid division by zero in apply_constraint_to_size()\n\nThe step variable is initialized to zero. It is changed in the loop,\nbut if it\u0027s not changed it will remain zero. Add a variable check\nbefore the division.\n\nThe observed behavior was introduced by commit 826b5de90c0b\n(\"ALSA: firewire-lib: fix insufficient PCM rule for period/buffer size\"),\nand it is difficult to show that any of the interval parameters will\nsatisfy the snd_interval_test() condition with data from the\namdtp_rate_table[] table.\n\nFound by Linux Verification Center (linuxtesting.org) with SVACE.",
          "title": "CVE description"
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        {
          "category": "general",
          "text": "In the Linux kernel, the following vulnerability has been resolved:\n\nnetfilter: x_tables: fix LED ID check in led_tg_check()\n\nSyzbot has reported the following BUG detected by KASAN:\n\nBUG: KASAN: slab-out-of-bounds in strlen+0x58/0x70\nRead of size 1 at addr ffff8881022da0c8 by task repro/5879\n...\nCall Trace:\n \u003cTASK\u003e\n dump_stack_lvl+0x241/0x360\n ? __pfx_dump_stack_lvl+0x10/0x10\n ? __pfx__printk+0x10/0x10\n ? _printk+0xd5/0x120\n ? __virt_addr_valid+0x183/0x530\n ? __virt_addr_valid+0x183/0x530\n print_report+0x169/0x550\n ? __virt_addr_valid+0x183/0x530\n ? __virt_addr_valid+0x183/0x530\n ? __virt_addr_valid+0x45f/0x530\n ? __phys_addr+0xba/0x170\n ? strlen+0x58/0x70\n kasan_report+0x143/0x180\n ? strlen+0x58/0x70\n strlen+0x58/0x70\n kstrdup+0x20/0x80\n led_tg_check+0x18b/0x3c0\n xt_check_target+0x3bb/0xa40\n ? __pfx_xt_check_target+0x10/0x10\n ? stack_depot_save_flags+0x6e4/0x830\n ? nft_target_init+0x174/0xc30\n nft_target_init+0x82d/0xc30\n ? __pfx_nft_target_init+0x10/0x10\n ? nf_tables_newrule+0x1609/0x2980\n ? nf_tables_newrule+0x1609/0x2980\n ? rcu_is_watching+0x15/0xb0\n ? nf_tables_newrule+0x1609/0x2980\n ? nf_tables_newrule+0x1609/0x2980\n ? __kmalloc_noprof+0x21a/0x400\n nf_tables_newrule+0x1860/0x2980\n ? __pfx_nf_tables_newrule+0x10/0x10\n ? __nla_parse+0x40/0x60\n nfnetlink_rcv+0x14e5/0x2ab0\n ? __pfx_validate_chain+0x10/0x10\n ? __pfx_nfnetlink_rcv+0x10/0x10\n ? __lock_acquire+0x1384/0x2050\n ? netlink_deliver_tap+0x2e/0x1b0\n ? __pfx_lock_release+0x10/0x10\n ? netlink_deliver_tap+0x2e/0x1b0\n netlink_unicast+0x7f8/0x990\n ? __pfx_netlink_unicast+0x10/0x10\n ? __virt_addr_valid+0x183/0x530\n ? __check_object_size+0x48e/0x900\n netlink_sendmsg+0x8e4/0xcb0\n ? __pfx_netlink_sendmsg+0x10/0x10\n ? aa_sock_msg_perm+0x91/0x160\n ? __pfx_netlink_sendmsg+0x10/0x10\n __sock_sendmsg+0x223/0x270\n ____sys_sendmsg+0x52a/0x7e0\n ? __pfx_____sys_sendmsg+0x10/0x10\n __sys_sendmsg+0x292/0x380\n ? __pfx___sys_sendmsg+0x10/0x10\n ? lockdep_hardirqs_on_prepare+0x43d/0x780\n ? __pfx_lockdep_hardirqs_on_prepare+0x10/0x10\n ? exc_page_fault+0x590/0x8c0\n ? do_syscall_64+0xb6/0x230\n do_syscall_64+0xf3/0x230\n entry_SYSCALL_64_after_hwframe+0x77/0x7f\n...\n \u003c/TASK\u003e\n\nSince an invalid (without \u0027\\0\u0027 byte at all) byte sequence may be passed\nfrom userspace, add an extra check to ensure that such a sequence is\nrejected as possible ID and so never passed to \u0027kstrdup()\u0027 and further.",
          "title": "CVE description"
        }
      ],
      "product_status": {
        "recommended": [
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_167-default-12-150300.2.1.ppc64le",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_167-default-12-150300.2.1.s390x",
          "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_167-default-12-150300.2.1.x86_64"
        ]
      },
      "references": [
        {
          "category": "external",
          "summary": "CVE-2024-56650",
          "url": "https://www.suse.com/security/cve/CVE-2024-56650"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1235430 for CVE-2024-56650",
          "url": "https://bugzilla.suse.com/1235430"
        },
        {
          "category": "external",
          "summary": "SUSE Bug 1235431 for CVE-2024-56650",
          "url": "https://bugzilla.suse.com/1235431"
        }
      ],
      "remediations": [
        {
          "category": "vendor_fix",
          "details": "To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n",
          "product_ids": [
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_167-default-12-150300.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_167-default-12-150300.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_167-default-12-150300.2.1.x86_64"
          ]
        }
      ],
      "scores": [
        {
          "cvss_v3": {
            "baseScore": 7.8,
            "baseSeverity": "HIGH",
            "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H",
            "version": "3.1"
          },
          "products": [
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_167-default-12-150300.2.1.ppc64le",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_167-default-12-150300.2.1.s390x",
            "SUSE Linux Enterprise Live Patching 15 SP3:kernel-livepatch-5_3_18-150300_59_167-default-12-150300.2.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "date": "2025-05-01T16:11:35Z",
          "details": "important"
        }
      ],
      "title": "CVE-2024-56650"
    }
  ]
}


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Sightings

Author Source Type Date

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.