[ubuntu/jammy-security] linux-kvm 5.15.0-1045.50 (Accepted)

[Andy Whitcroft]

linux-kvm (5.15.0-1045.50) jammy; urgency=medium

  * jammy/linux-kvm: 5.15.0-1045.50 -proposed tracker (LP: #2038197)

  [ Ubuntu: 5.15.0-87.97 ]

  * jammy/linux: 5.15.0-87.97 -proposed tracker (LP: #2038209)
  * CVE-2023-4623
    - net/sched: sch_hfsc: Ensure inner classes have fsc curve
  * CVE-2023-42755
    - net/sched: Retire rsvp classifier
    - [Config] remove NET_CLS_RSVP and NET_CLS_RSVP6
  * CVE-2023-34319
    - xen/netback: Fix buffer overrun triggered by unusual packet
  * CVE-2023-4921
    - net: sched: sch_qfq: Fix UAF in qfq_dequeue()
  * CVE-2023-42752
    - igmp: limit igmpv3_newpack() packet size to IP_MAX_MTU
  * CVE-2023-4622
    - af_unix: Fix null-ptr-deref in unix_stream_sendpage().
  * CVE-2023-4244
    - netfilter: nft_set_rbtree: fix overlap expiration walk
    - netfilter: nf_tables: don't skip expired elements during walk
    - netfilter: nf_tables: adapt set backend to use GC transaction API
    - netfilter: nft_set_hash: mark set element as dead when deleting from packet
      path
    - netfilter: nf_tables: GC transaction API to avoid race with control plane
    - netfilter: nf_tables: remove busy mark and gc batch API
    - netfilter: nf_tables: don't fail inserts if duplicate has expired
    - netfilter: nf_tables: fix kdoc warnings after gc rework
    - netfilter: nf_tables: fix GC transaction races with netns and netlink event
      exit path
    - netfilter: nf_tables: GC transaction race with netns dismantle
    - netfilter: nf_tables: GC transaction race with abort path
    - netfilter: nf_tables: use correct lock to protect gc_list
    - netfilter: nf_tables: defer gc run if previous batch is still pending
    - netfilter: nft_dynset: disallow object maps
    - netfilter: nft_set_rbtree: skip sync GC for new elements in this transaction
  * CVE-2023-42756
    - netfilter: ipset: Fix race between IPSET_CMD_CREATE and IPSET_CMD_SWAP
  * CVE-2023-42753
    - netfilter: ipset: add the missing IP_SET_HASH_WITH_NET0 macro for
      ip_set_hash_netportnet.c
  * CVE-2023-5197
    - netfilter: nf_tables: skip bound chain in netns release path
    - netfilter: nf_tables: disallow rule removal from chain binding
  * CVE-2023-4881
    - netfilter: nftables: exthdr: fix 4-byte stack OOB write

Date: 2023-10-05 13:31:10.077056+00:00
Changed-By: Roxana Nicolescu <roxana.nicolescu at canonical.com>
Signed-By: Andy Whitcroft <apw at canonical.com>
https://launchpad.net/ubuntu/+source/linux-kvm/5.15.0-1045.50
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